Precision compound drill seeder capable of sowing seeds and fertilizers simultaneously and provided with driving rake

The precision row seeder with integrated operation of land preparation, fertilization, compaction and sowing solves the problems of low utilization rate and environmental pollution caused by surface sowing of fertilizer, and realizes deep sowing of fertilizer and high crop yield.

CN223786584UActive Publication Date: 2026-01-13SHANDONG UNIA AGRI MASCH CO LTD
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Patent Information

Application Number
CN202520396963.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-08
Publication Date
2026-01-13
Estimated Expiration
2035-03-08

AI Technical Summary

Technical Problem

Existing seed-fertilizer co-sowing precision row seeders can only spread fertilizer on the soil surface, resulting in low fertilizer utilization and difficulty for crop roots to effectively absorb it, which affects crop growth and yield, while also causing environmental pollution.

Method used

A precision double-row seeder with a drive harrow mechanism was designed, which includes a land preparation mechanism, a fertilization mechanism, a seedbed compaction mechanism, a sowing mechanism, and a transmission system. Through integrated operation of land preparation, fertilization, compaction, and sowing, fertilizer is precisely sown deep into the soil and deeply combined with the seeds, thereby improving fertilizer utilization and crop yield.

Benefits of technology

This technology enables deep sowing of fertilizers, improves fertilizer utilization, enhances crop growth quality and yield, reduces environmental pollution, simplifies field management, and improves operational efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of agriculture, and discloses a driving rake precision compound drill seeder capable of sowing seeds and fertilizers simultaneously, which comprises a soil preparation mechanism, a fertilizer application mechanism fixedly connected to the outer side of the soil preparation mechanism, a seedbed pressing mechanism fixedly connected to the outer side of the fertilizer application mechanism, and a seed and fertilizer box mechanism fixedly connected to the outer side of the fertilizer application mechanism. The outer side of the seed fertilizer box mechanism is fixedly connected with a transmission system mechanism, the outer side of the transmission system mechanism is rotatably connected with a seeding mechanism, the soil preparation mechanism comprises a driving rake tooth box, the outer side of the driving rake tooth box is fixedly connected with rake teeth, and one side of each rake tooth is fixedly connected with a bulldozing plate. According to the utility model, the fertilizer is sown to the required depth before the first pressing of the compound drill seeder, then the seedbed is pressed by the first pressing, the fertilizer is compacted, then the seeding is performed, and finally the seedling belt is compacted, so that the lodging resistance can be realized, and the yield can be improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to agricultural technology field especially, relate to a kind of drive harrow precision compound drill for seed and fertilizer same sowing. BACKGROUND

[0002] Drive harrow precision compound drill for seed and fertilizer same sowing as advanced agricultural machinery equipment, fusion drive harrow and precision drill function, for wheat and other cereals and economic crops such as rape sowing, can complete multiple operations at a time, with the benefits of improving operation efficiency, precision fertilization and sowing, improving soil conditions, ensuring seedling quality, reducing production cost, improving land utilization rate and the like.

[0003] Drive harrow precision compound drill for seed and fertilizer same sowing is generally composed of rack, harrow tooth, driving device, seed box, seed metering device and the like, and is operated by tractor traction, first crushes and stirs soil by drive harrow, then completes sowing by seed delivery pipe, furrow opener and soil covering device according to set seed discharge, realizes seed and fertilizer same sowing by fertilizer delivery pipe according to preset fertilizer discharge, and is further pressed once and twice, and parameters can be adjusted by adjusting device or intelligent control device during operation, so that multiple operations are completed at a time, and agricultural production efficiency and planting quality are improved.

[0004] The existing drive harrow precision compound drill for seed and fertilizer same sowing can only spread fertilizer on the surface, and cannot be sown after leveling, the fertilizer utilization rate is low, the fertilizer on the soil surface is difficult to be effectively absorbed by crop root system, leading to slow growth and poor development of crops in the early growth stage, dwarf plant, yellow leaf, and affecting the overall growth and final yield of crops. Moreover, the fertilizer at different positions is not evenly distributed on the surface, which causes inconsistent growth of crops in the field, increases the difficulty of field management, and the fertilizer exposed on the soil surface is easily affected by rainwater erosion, wind erosion and other natural factors. A large amount of fertilizer is lost with surface runoff, enters rivers, lakes and other water bodies, which can cause water eutrophication and destroy water ecological balance; the blown-away fertilizer also causes air pollution, and also causes waste of fertilizer. Therefore, a drive harrow precision compound drill for seed and fertilizer same sowing is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a drive harrow precision compound drill for seed and fertilizer same sowing, aiming at improving the problem that the existing technology can only spread fertilizer on the surface, cannot be sown after leveling, and the fertilizer utilization rate is low.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The application discloses a driving-rake precision compound drill for seed-fertilizer drilling, which comprises a land-preparing mechanism, a fertilizer-adding mechanism fixedly connected to the outer side of the land-preparing mechanism, a seedbed-pressing mechanism fixedly connected to the outer side of the fertilizer-adding mechanism, a seed-fertilizer box mechanism fixedly connected to the outer side of the fertilizer-adding mechanism, a transmission system mechanism fixedly connected to the outer side of the seed-fertilizer box mechanism and a seeding mechanism rotatably connected to the outer side of the transmission system mechanism.

[0008] The land-preparing mechanism comprises a driving-rake tine box, the tine box is fixedly connected with tines on the outer side, and the tines are fixedly connected with a bulldozing plate on one side.

[0009] As a further description of the above technical solution:

[0010] The fertilizer-adding mechanism comprises fertilizer legs, the fertilizer legs are fixedly connected with fertilizer pipes on the top, the fertilizer pipes are fixedly connected with fertilizer applicators on the outer side, and the fertilizer applicators are fixedly connected with fertilizer quantity adjusting devices on the outer side.

[0011] As a further description of the above technical solution:

[0012] The seedbed-pressing mechanism comprises pressing rollers, the pressing rollers are fixedly connected with mud scraping plates on the outer side.

[0013] As a further description of the above technical solution:

[0014] The seeding mechanism comprises seed dispensers, the seed dispensers are fixedly connected with seed guiding pipes on the bottom, and the seed guiding pipes are fixedly connected with four-link single units on the outer side.

[0015] As a further description of the above technical solution:

[0016] The seed-fertilizer box mechanism comprises seed-fertilizer boxes, the seed-fertilizer boxes are fixedly connected with seed-fertilizer box covers on the top.

[0017] As a further description of the above technical solution:

[0018] The transmission system mechanism comprises driving ground wheels, the driving ground wheels are fixedly connected with gearboxes on the outer side, and the gearboxes are rotatably connected with fertilizer-dispensing driving motors on the outer side.

[0019] The driving-rake precision compound drill for seed-fertilizer drilling has the following beneficial effects:

[0020] In this invention, the fertilizer is carried on the back of a tractor. The drive wheels travel on the ground, transmitting power to the gearbox, which in turn drives the fertilizer applicator to rotate, discharging fertilizer. The fertilizer enters the fertilizer applicator through the discharge pipe for fertilizer-line sowing. Seeds are also dispensed through the gearbox's rotation, driving the seed metering device. The seeds then enter the four-link unit through the seed guide tube for seedling-line sowing. This design achieves structural stability and high reliability, eliminating the need for separate fertilization before operation and significantly improving work efficiency. It enables simultaneous sowing of seeds and fertilizer, planting fertilizer deep into the soil for deep integration with wheat and other seeds, improving fertilizer utilization and increasing crop yields. The fertilizer can be sown in rows, with the sowing depth adjustable according to local agronomic requirements. Before the first compaction of the double-row seeder, the fertilizer is sown to the required depth. The first compaction compacts the seedbed and fertilizer, followed by sowing, and finally, the seedling-line compaction. This design helps prevent lodging and increases yield. Attached Figure Description

[0021] Figure 1 This is a three-dimensional schematic diagram of a precision double-row seeder with simultaneous seed and fertilizer sowing proposed in this utility model.

[0022] Figure 2 This is a schematic diagram of the fertilization mechanism of a precision double-row seeder with simultaneous seed and fertilizer application proposed in this utility model.

[0023] Figure 3 This is a schematic diagram of the seed and fertilizer box cover of a precision double-row seeder with simultaneous seed and fertilizer sowing proposed in this utility model.

[0024] Figure 4 This is a schematic diagram of the seed and fertilizer box of a precision double-row seeder with simultaneous seed and fertilizer sowing proposed in this utility model.

[0025] Figure 5 This is a schematic diagram of the seed guide tube of a precision double-row seeder with simultaneous seed and fertilizer sowing proposed in this utility model.

[0026] Figure 6 This is a schematic diagram of the gearbox structure of a precision double-row seeder with simultaneous seed and fertilizer sowing proposed in this utility model.

[0027] Figure 7 This is a schematic diagram of the fertilizer discharge drive motor of a precision double-row seeder for simultaneous seed and fertilizer sowing proposed in this utility model.

[0028] Figure 8 This is a schematic diagram of the fertilization leg of a precision double-row seeder with simultaneous seed and fertilizer sowing proposed in this utility model.

[0029] Legend:

[0030] 1, land preparation mechanism; 1-1, driving harrow tooth box; 1-2, harrow tooth; 1-3, bulldozing plate; 2, fertilizer application mechanism; 2-1, fertilizer application leg; 2-2, fertilizer discharge pipe; 2-3, fertilizer applicator; 2-4, fertilizer amount adjusting device; 3, seedbed compacting mechanism; 3-1, compacting roller; 3-2, mud scraping plate; 4, seeding mechanism; 4-1, seed metering device; 4-2, seed guiding pipe; 4-3, four-bar linkage unit; 5, seed and fertilizer box mechanism; 5-1, seed and fertilizer box; 5-2, seed and fertilizer box cover; 6, transmission system mechanism; 6-1, driving ground wheel; 6-2, gearbox; 6-3, fertilizer discharge driving motor. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0032] Referring to Figure 1 , Figure 4 , Figure 5 An embodiment provided by the present application: a driving harrow precision compound drill for seed and fertilizer simultaneous seeding, comprising a land preparation mechanism 1, the land preparation mechanism 1 is a key part for the early treatment of soil, can effectively crush and preliminarily level the originally hardened or uneven soil in the field, and creates a good foundation condition for subsequent planting operation, the land preparation mechanism 1 is fixedly connected with a fertilizer application mechanism 2 outside, the fertilizer application mechanism 2 plays a role after the soil is treated by the land preparation mechanism 1, and accurately applies fertilizer into the soil, thereby providing necessary nutrients for crop growth.

[0033] A seedbed compacting mechanism 3 is fixedly connected with the fertilizer application mechanism 2 outside, the seedbed compacting mechanism 3 can compact the seedbed after fertilization and seeding, so that the soil is in close contact with the seeds and fertilizer, is beneficial to the seed absorption of water and nutrients, improves the soil moisture conservation capacity, creates a good soil environment for seed germination and crop growth, a seed and fertilizer box mechanism 5 is fixedly connected with the fertilizer application mechanism 2 outside, the seed and fertilizer box mechanism 5 is used for storing seeds and fertilizer, continuously provides the required seed and fertilizer for the fertilizer application mechanism 2 and the seeding mechanism 4, and ensures that the equipment can continuously work.

[0034] The outer side of the fertilizer box mechanism 5 is fixedly connected with a transmission system mechanism 6, which is the power transmission hub of the entire device, can reasonably distribute power to each working mechanism, and ensure that the fertilization, seeding and other operations are orderly carried out. The outer side of the transmission system mechanism 6 is rotatably connected with the seeding mechanism 4. The seeding mechanism 4 can accurately sow seeds into the soil according to the set requirements under the driving of the transmission system mechanism 6, ensuring the quality of seeding and the uniformity of seedling emergence.

[0035] The land preparation mechanism 1 includes a driving harrow tooth box 1-1, which is the power core component of the land preparation mechanism 1 and can stably transmit the power of the tractor to the harrow tooth 1-2 after speed change, so that the harrow tooth 1-2 can efficiently crush the soil. The outer side of the driving harrow tooth box 1-1 is fixedly connected with the harrow tooth 1-2. The harrow tooth 1-2 rotates under the driving of the driving harrow tooth box 1-1, penetrates into the soil, breaks up large soil clumps, and makes the soil loose and fine, thereby achieving good land preparation effect. The side of the harrow tooth 1-2 is fixedly connected with the bulldozing plate 1-3. The bulldozing plate 1-3 can level the soil after the harrow tooth 1-2 crushes the soil, making the soil surface more flat, and preparing for subsequent fertilization and seeding operations.

[0036] Referring to Figure 2 , Figure 4 , Figure 8 The fertilization mechanism 2 includes a fertilization leg 2-1, which can accurately sow fertilizer between the two seedling strips, ensure the reasonable distribution of fertilizer, and provide sufficient nutrients for crop roots. The top of the fertilization leg 2-1 is fixedly connected with a fertilizer discharge pipe 2-2, which is responsible for conveying fertilizer from the fertilizer applicator 2-3 to the fertilization leg 2-1, ensuring smooth fertilizer conveying, so that the fertilizer can reach the fertilization position in time and accurately. The outer side of the fertilizer discharge pipe 2-2 is fixedly connected with the fertilizer applicator 2-3, which can uniformly discharge fertilizer according to the set fertilization amount, convey it to the fertilization leg 2-1 through the fertilizer discharge pipe 2-2, and realize precise fertilization. The outer side of the fertilizer applicator 2-3 is fixedly connected with a fertilizer amount adjusting device 2-4, which can flexibly adjust the fertilization amount according to different crop demands and soil fertility conditions, improve the utilization rate of fertilizer, and avoid waste and overuse of fertilizer.

[0037] The seedbed compacting mechanism 3 includes a compacting roller 3-1, which rolls and compacts the seedbed after fertilization and seeding, makes the soil closely adhere to the seeds and fertilizer, enhances the soil's water-holding capacity, and creates favorable conditions for seed germination. The outer side of the compacting roller 3-1 is fixedly connected with a mud scraping plate 3-2, which can timely remove the mud attached to the surface of the compacting roller 3-1, ensure the normal rolling and compacting effect of the compacting roller 3-1, and prevent the accumulation of mud affecting the compacting quality.

[0038] The seeding mechanism 4 comprises a seed metering device 4-1 capable of accurately discharging seeds according to a set seed metering amount, ensuring uniform distribution of seeds in the soil, improving the quality of seeding and the emergence rate, and the seed metering device 4-1 is fixedly connected with a seed guide pipe 4-2 at the bottom, which smoothly delivers the seeds discharged by the seed metering device 4-1 to a four-bar linkage unit 4-3, ensuring that there is no clogging or scattering during the seed delivery process, and the seed guide pipe 4-2 is fixedly connected with the four-bar linkage unit 4-3 at the outside, which can accurately sow seeds into the soil, control the depth and position of seeding, and make the seeds germinate and grow in a suitable environment.

[0039] The seed and fertilizer box mechanism 5 comprises a seed and fertilizer box 5-1 having a large storage space capable of storing a sufficient amount of seeds and fertilizers to meet the operation requirements of the device within a certain period of time, and the top of the seed and fertilizer box 5-1 is fixedly connected with a seed and fertilizer box cover 5-2 which can effectively prevent the seeds and fertilizers from being damp and contaminated, ensuring the quality of the seeds and fertilizers, and facilitating the opening and closing of the seed and fertilizer box when adding seeds and fertilizers.

[0040] Referring to Figure 3 , Figure 6 , Figure 7 The transmission system mechanism 6 comprises a driving ground wheel 6-1 in contact with the ground to generate power through friction rotation to provide a power source for the entire transmission system mechanism 6, and the driving ground wheel 6-1 is fixedly connected with a gearbox 6-2 at the outside, which can change the speed and torque of the power transmitted by the driving ground wheel 6-1 and output appropriate power to the fertilizer discharge driving motor 6-3 and the seed metering device 4-1 and other components to ensure that each component can work normally, and the gearbox 6-2 is rotatably connected with the fertilizer discharge driving motor 6-3 at the outside, which is driven by the gearbox 6-2 to drive the related components of the fertilizing mechanism 2 to work and realize the fertilizer discharge operation, ensuring that the fertilizers can be uniformly applied into the soil according to the set requirements.

[0041] Working principle: when the need to use tractor land preparation, can be through the power output shaft of the tractor drive 1-1 drive rake tooth box operation, through 1-1 drive rake tooth box speed change power transmission to the tooth 1-2 rotation, land preparation, through the effect of 1-3 bulldozing plate will be the soil to block flat, then through 3-1 compaction roller will seedbed compaction, at the same time, 6-3 fertilizer drive motor work, drive 1-3 bulldozing plate for fertilizer work, fertilizer through 2-2 fertilizer pipe, into 2-1 fertilizer leg, through 2-1 fertilizer leg will be broadcast between two rows of seedlings between the fertilizer, at the same time, 6-1 drive wheel will friction ground rotation, drive 6-2 gearbox work, 6-2 gearbox drive 4-1 seed metering device for rotation, so that the seeds according to the set amount of seed metering seed, seed through 4-2 seed guide pipe, into 4-3 four bar linkage unit, through 4-3 four bar linkage unit for seeding operation.

[0042] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing detailed description of the present application has been made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A precision combined drive-rake drill for seed and fertilizer drilling, comprising a land preparation mechanism (1), characterized in that: The outer side of the land preparation mechanism (1) is fixedly connected with the fertilization mechanism (2), the outer side of the fertilization mechanism (2) is fixedly connected with the seedbed compacting mechanism (3), the outer side of the fertilization mechanism (2) is fixedly connected with the seed and fertilizer box mechanism (5), the outer side of the seed and fertilizer box mechanism (5) is fixedly connected with the transmission system mechanism (6), and the outer side of the transmission system mechanism (6) is rotatably connected with the seeding mechanism (4). The land preparation mechanism (1) comprises a driving harrow tooth box (1-1), the outer side of the driving harrow tooth box (1-1) is fixedly connected with a harrow tooth (1-2), and one side of the harrow tooth (1-2) is fixedly connected with a bulldozing plate (1-3).

2. The precision combined drive harrow and precision row-caster of claim 1, wherein: The fertilization mechanism (2) comprises a fertilization leg (2-1), the top of the fertilization leg (2-1) is fixedly connected with a fertilizer discharge pipe (2-2), the outer side of the fertilizer discharge pipe (2-2) is fixedly connected with a fertilizer applicator (2-3), and the outer side of the fertilizer applicator (2-3) is fixedly connected with a fertilizer amount adjusting device (2-4).

3. The precision combined drive harrow and precision row unit for seed-fertilizer drill of claim 1, wherein: The seedbed compacting mechanism (3) comprises a compacting roller (3-1), and the outer side of the compacting roller (3-1) is fixedly connected with a mud scraping plate (3-2).

4. The precision combined drive harrow and precision row unit for seed-fertilizer drill of claim 1, wherein: The seeding mechanism (4) comprises a seed metering device (4-1), the bottom of the seed metering device (4-1) is fixedly connected with a seed guiding pipe (4-2), and the outer side of the seed guiding pipe (4-2) is fixedly connected with a four-bar linkage unit (4-3).

5. The precision combined drive harrow and precision row unit for seed-fertilizer drill of claim 1, wherein: The seed and fertilizer box mechanism (5) comprises a seed and fertilizer box (5-1), and the top of the seed and fertilizer box (5-1) is fixedly connected with a seed and fertilizer box cover (5-2).

6. The precision combined drive harrow and precision row unit for seed-fertilizer drill of claim 1, wherein: The transmission system mechanism (6) comprises a driving ground wheel (6-1), the outer side of the driving ground wheel (6-1) is fixedly connected with a gearbox (6-2), and the outer side of the gearbox (6-2) is rotatably connected with a fertilizer discharging driving motor (6-3).