Vertical disc rice precision direct seeding device

By designing a vertical disk rice precise live sowing device, the cooperation of cross gallows, seed sliders and seed tracks is used to solve the problem of missed sowing and disorderly seeds in the existing technology, the precise sowing and uniform distribution of rice seeds are achieved, and the live sowing efficiency and survival rate are improved.

CN118160470BActive Publication Date: 2025-04-29NORTHEAST AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202410418042.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-04-09
Publication Date
2025-04-29
Estimated Expiration
2044-04-09

AI Technical Summary

Technical Problem

There are problems in the existing precise live rice seeding technology of severe missed seeding and disorderly seeding process, making it difficult to achieve accurate live streaming, and seeds are easily deviated due to inertia during the seeding process, affecting the quality of live streaming.

Method used

A vertical disk rice precision live planting device is designed, including an outer circular support shell, seed box, outer cyclone shell and seed discharge cavity. Through the cooperation of cross gallows, seed discharge sliders and seed discharge tracks, the precise placement and uniform distribution of rice seeds are achieved.

Benefits of technology

The precise sowing of rice seeds is achieved, the waste of seeds is reduced, the utilization rate of seeds is improved, the uniform distribution and survival rate of rice is ensured, and the live seeding efficiency and adaptability are improved, and the labor cost is reduced.

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Abstract

A vertical disc rice precision direct seeding device comprises a vertical disc, the vertical disc comprises an outer circular support shell, a seed box is installed on one side of the outer circular support shell, an outer rotary shell is rotatably installed on the other side of the outer circular support shell, a seeding cavity is arranged between the outer circular support shell and the outer rotary shell, a driving shaft is rotatably installed in the middle of the seeding cavity, a cross gallows is installed on the driving shaft through a transmission shaft, a plurality of seeding sliders are hinged on the cross gallows, a seeding track matched with the seeding slider is arranged on the outer rotary shell, one end of the seeding track is connected to each other and to the seeding cavity, a seeding port is formed at the other end of the seeding track, a small transmission gear is also installed on the transmission shaft, and transmission teeth are arranged on the outer rotary shell and the outer circular support shell. The invention can realize the precise positioning direct seeding of rice without the problem of missed seeding, which is conducive to more uniform absorption of nutrients by rice buds after sowing.
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Description

Technical Field

[0001] The invention relates to the technical field of direct seeding of rice bud seeds, in particular to a vertical disc precise direct seeding device for rice. Background Art

[0002] Among the existing technologies for precise direct seeding of rice, the most common one is the spiral groove wheel seeding device. Although this device can achieve relatively quantitative sowing, it has a serious problem of missed seeds and the seed dropping process is extremely disordered, making it difficult to achieve precise direct seeding. In addition, since rice needs to be dropped on the water surface during direct seeding, the movement of the groove wheel itself will make the bud seeds have a certain inertia, which is more likely to cause the seed dropping position to shift, thereby affecting the quality of direct seeding. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a vertical disc rice precise direct seeding device which can realize the precise positioning direct seeding of rice without the problem of missed seeding, and is conducive to more uniform absorption of nutrients by rice sprouts after sowing.

[0004] The technical problem to be solved by the present invention is achieved through the following technical solutions. The present invention is a vertical disc rice precision direct seeding device, comprising a vertical disc for installation on an external machine, the vertical disc comprising an outer circular support shell, a seed box installed on one side of the outer circular support shell, an outer rotating shell rotatably installed on the other side of the outer circular support shell, a seed discharge cavity for direct seeding of rice is arranged between the outer circular support shell and the outer rotating shell, and a seed discharge channel connected to the seed discharge cavity is arranged at the bottom of the seed box;

[0005] A driving shaft is rotatably installed in the middle of the seeding cavity, one end of the driving shaft is rotatably installed on the outer circular supporting shell, the other end of the driving shaft extends to the outside of the seeding cavity and is installed with an external meshing gear for external power input, a cross gallows is installed on the driving shaft through the transmission shaft, the cross gallows is arranged in the seeding cavity, a plurality of seeding sliders are hinged on the cross gallows, a seeding track cooperating with the seeding slider is arranged on the outer rotating shell, one end of the seeding track is connected with each other and with the seeding cavity, the other end of the seeding track extends outward to the edge of the outer rotating shell to form a seeding port, a small transmission gear is also installed on the transmission shaft, and transmission teeth cooperating with the small transmission gear are arranged on the outer rotating shell and the outer circular supporting shell.

[0006] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the vertical disc rice precision direct seeding device described above, at least two rotating sliders distributed in a circular ring are arranged on the outer rotating shell, and a circular ring slide groove cooperating with the slider is arranged on the outer circular support shell. The outer rotating shell is rotatably installed on the outer circular support shell through the cooperation of the rotating slider and the circular ring slide groove.

[0007] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the vertical disc rice precision direct seeding device described above, a seeding auger and a motor for driving the seeding auger to rotate are installed in the seeding channel.

[0008] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the vertical disc rice precision direct seeding device described above, the seeding sliders are provided with 4, 6 or 8, and the number of seeding tracks is twice that of the seeding sliders.

[0009] The technical problem to be solved by the present invention can be further achieved through the following technical solutions. For the vertical disc rice precision direct seeding device described above, there are 4 seeding sliders, which are evenly installed on the top, bottom, left and right of the cross gallows, and there are 8 seeding tracks, which are evenly distributed along the circumference of the outer rotating shell.

[0010] The technical problem to be solved by the present invention can be further achieved by the following technical solution. For the vertical disc rice precision direct seeding device described above, seeding grooves matching with rice seeds are provided at both ends of the seeding slider.

[0011] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the vertical disc rice precision direct seeding device described above, the transmission teeth on the outer rotating shell and the transmission teeth on the outer circular supporting shell are arranged in a circular shape, and a transmission gap is left between the transmission teeth on the outer rotating shell and the transmission teeth on the outer circular supporting shell to cooperate with the small transmission gear.

[0012] The technical problem to be solved by the present invention can also be further achieved through the following technical solutions. For the vertical disc rice precision direct seeding device described above, the transmission shaft is a Z-shaped transmission shaft.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. Precision sowing: The present invention can achieve precise placement of rice seeds through the design of a vertical disc. This design reduces seed waste and improves seed utilization. It also ensures uniform distribution of rice, allowing it to absorb nutrients more evenly and ensure survival rate.

[0015] 2. High efficiency of direct seeding: The present invention has high operating efficiency. Compared with traditional manual or mechanical seeding methods, it can quickly complete large-area seeding tasks, thereby saving a lot of time and labor costs;

[0016] 3. Strong adaptability: The present invention has good adaptability to different farmland environments and soil conditions. Whether it is a flat farmland or a plot with a certain slope, it can stably carry out sowing operations, and has little disturbance to the soil, which is conducive to maintaining the soil structure;

[0017] 4. Easy to operate: The present invention also has a high degree of automation, reduces the interference of human factors, and improves the accuracy and consistency of sowing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A structural schematic diagram of the present invention;

[0019] Figure 2 A structural side view of the present invention;

[0020] Figure 3 It is a structural cross-sectional view of the seed box of the present invention;

[0021] Figure 4 A schematic diagram of the connection structure of the cross gallows of the present invention;

[0022] Figure 5 It is a schematic diagram of the installation structure of the seeding sliding block of the present invention. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] Reference Figure 1-5 , a vertical disc rice precision direct seeding device, comprising a vertical disc for installation on an external machine, the vertical disc comprising an outer circular supporting shell 1, a seed box 2 is installed on one side of the outer circular supporting shell 1, an outer rotary shell 3 is rotatably installed on the other side of the outer circular supporting shell 1, a seed discharge cavity for direct seeding of rice is arranged between the outer circular supporting shell 1 and the outer rotary shell 3, a seed discharge channel connected with the seed discharge cavity is arranged at the bottom of the seed box 2, the seed box 2 is used to hold rice seeds, in order to facilitate the output of the rice seeds in the seed box 2, a seed discharge auger 9 and a motor 10 for driving the seed discharge auger 9 to rotate are installed in the seed discharge channel, the two ends of the auger 9 are installed on the seed box 2 at the seed discharge channel through bearings and bearing seats, the motor 10 is fixedly installed on the seed box 2, and the motor 10 shaft of the motor 10 is connected to one end of the auger 9 through a coupling, so as to drive the auger 9 to rotate, so as to use the auger 9 to drive the output of rice seeds;

[0025] The seeding cavity is used to cooperate with the seed box 2, so that the rice seeds can enter the seeding cavity from the seed box 2, so as to facilitate the direct seeding of rice. The installation method of the outer rotating shell 3 is as follows: at least two rotating sliders distributed in a circular ring are arranged on the outer rotating shell 3, and a circular ring slide groove cooperating with the slider is arranged on the outer circular support shell 1. The outer rotating shell 3 is rotatably installed on the outer circular support shell 1 through the rotating slider and the circular ring slide groove, so that the outer rotating shell 3 can rotate relative to the outer circular support shell 1, so as to cooperate with the output of the rice seeds in the seeding cavity, thereby realizing the direct seeding of rice.

[0026] Specifically, a driving shaft is rotatably installed in the middle of the seeding cavity, one end of the driving shaft is rotatably installed on the outer circular supporting shell 1, and the other end of the driving shaft extends to the outside of the seeding cavity and is installed with an external meshing gear 4 for external power input. A cross gallows 7 is installed on the driving shaft through a transmission shaft 5. The cross gallows 7 is arranged in the seeding cavity, and a plurality of seeding sliders 6 are hinged on the cross gallows 7. A seeding track that cooperates with the seeding slider 6 is arranged on the outer rotary shell 3. One end of the seeding track is interconnected and connected to the seeding cavity, so that the rice seeds in the seeding cavity can enter the seeding track. The other end of the seeding track extends outward to the edge of the outer rotary shell 3 to form a seeding port, which is convenient for external power input. The seeding slider 6 is driven to rotate by the driving shaft, the transmission shaft 5, and the cross gallows 7, so that the seeding slider 6 moves back and forth in different seeding tracks, so as to drive the rice seeds in the seeding cavity into the seeding track, and then discharge them outward from the seeding port, so as to realize the direct seeding operation of rice.

[0027] In order to better achieve the coordination between the seeding track and the seeding slider 6, a small transmission gear 8 is also installed on the transmission shaft 5, and transmission teeth cooperating with the small transmission gear 8 are provided on the outer rotating shell 3 and the outer circular supporting shell 1. Specifically, the transmission teeth on the outer rotating shell 3 and the transmission teeth on the outer circular supporting shell 1 are arranged in a circular ring shape, and a transmission gap cooperating with the small transmission gear 8 is reserved between the transmission teeth on the outer rotating shell 3 and the transmission teeth on the outer circular supporting shell 1. The small transmission gear 8 is arranged at the transmission gap, so that the two sides of the small transmission gear 8 are respectively engaged with the transmission teeth on the outer rotating shell 3 and the transmission teeth on the outer circular supporting shell 1, so that when the small transmission gear 8 rotates with the transmission shaft 5, the outer rotating shell 3 and the outer circular supporting shell 1 are driven to rotate relative to each other, and the outer rotating shell 3 and the small transmission gear 8 are driven to rotate in the opposite direction as the transmission shaft 5 rotates.

[0028] Preferably, the transmission shaft 5 is a Z-type transmission shaft 5, which includes a vertical shaft and two horizontal shafts vertically connected at both ends of the vertical shaft, one of which is mounted on the driving shaft and the two are coaxially matched, and the cross gallows 7 and the small transmission gear 8 are both arranged on the other horizontal shaft, and the small transmission gear 8 is coaxially matched with the horizontal shaft.

[0029] In actual application, the seeding sliders 6 are provided with 4, 6 or 8, and the number of seeding tracks is twice the number of the seeding sliders 6. Further preferably, the seeding sliders 6 are provided with 4, and the 4 seeding sliders 6 are evenly installed on the top, bottom, left and right of the cross gallows 7, and the seeding tracks are provided with 8, and the 8 seeding tracks are evenly distributed along the circumference of the outer rotating shell 3.

[0030] In order to make the seed-discharging slider 6 better cooperate with the rice seeds, seed-discharging grooves cooperating with the rice seeds are provided at both ends of the seed-discharging slider 6.

[0031] In actual use, the vertical disc rice precision direct seeding device provided by the present invention can generally be used in conjunction with a tractor. The vertical disc is installed on the tractor, and the external meshing gear 4 is matched with the ground wheel of the tractor through a transmission connection to realize power input. The specific operation process is: first, the external meshing gear 4 is matched with the ground wheel of the tractor through a transmission chain (in actual operation, the rotation speed of the external rotating object can be adjusted by changing the external meshing gear 4 to achieve sowing at different intervals), the cross gallows 7 is connected to the external meshing gear 4 through a Z-type transmission shaft 5 to realize clockwise or counterclockwise rotation, and the Z-type transmission shaft 5 Coaxially matched with the small transmission gear 8, the outer rotating shell 3 can rotate in opposite directions to the cross gallows 7 under the meshing action of the small transmission gear 8, so that the cross gallows 7 and the outer rotating shell 3 can rotate in opposite directions at the same time, so that the cross gallows 7 can be used to drive the four seed-discharging sliders 6 to realize reciprocating motion on the seed-discharging track on the outer rotating shell 3. The rice seeds are in the seed box 2. After the motor 10 drives the auger 9 to rotate, the rice seeds are discharged into the seed-discharging cavity under the action of the auger 9, and then discharged outward through the seed-discharging track under the action of the seed-discharging slider 6 to realize seed-discharging.

Claims

1. A vertical disc rice precision direct seeding device, characterized by: The vertical disc comprises an outer circular support shell, a seed box is installed on one side of the outer circular support shell, an outer rotary shell is rotatably installed on the other side of the outer circular support shell, a seed discharge cavity for direct seeding of rice is arranged between the outer circular support shell and the outer rotary shell, and a seed discharge channel connected to the seed discharge cavity is arranged at the bottom of the seed box; A driving shaft is rotatably installed in the middle of the seeding cavity, one end of the driving shaft is rotatably installed on the outer circular supporting shell, the other end of the driving shaft extends to the outside of the seeding cavity and is installed with an external meshing gear for external power input, a cross gallows is installed on the driving shaft through the transmission shaft, the cross gallows is arranged in the seeding cavity, a plurality of seeding sliders are hinged on the cross gallows, a seeding track cooperating with the seeding slider is arranged on the outer rotating shell, one end of the seeding track is connected with each other and with the seeding cavity, the other end of the seeding track extends outward to the edge of the outer rotating shell to form a seeding port, a small transmission gear is also installed on the transmission shaft, and transmission teeth cooperating with the small transmission gear are arranged on the outer rotating shell and the outer circular supporting shell.

2. The vertical disc rice precision direct seeding device according to claim 1, characterized in that: At least two rotating sliders distributed in a circular shape are arranged on the outer rotating shell, and a circular groove cooperating with the slider is arranged on the outer circular supporting shell. The outer rotating shell is rotatably mounted on the outer circular supporting shell through the cooperation of the rotating slider and the circular groove.

3. The vertical disc rice precision direct seeding device according to claim 1, characterized in that: A seeding auger and a motor for driving the seeding auger to rotate are installed in the seeding channel.

4. The vertical disc rice precision direct seeding device according to claim 1, characterized in that: The seeding sliders are provided in 4, 6 or 8 numbers, and the number of the seeding tracks is twice the number of the seeding sliders.

5. The vertical disc rice precision direct seeding device according to claim 1 or 4, characterized in that: There are four seeding sliders, which are evenly installed on the top, bottom, left and right of the cross gallows respectively; there are eight seeding tracks, which are evenly distributed along the circumference of the outer rotary shell.

6. The vertical disc rice precision direct seeding device according to claim 5, characterized in that: Both end portions of the seeding sliding block are provided with seeding grooves matched with rice seeds.

7. The vertical disc rice precision direct seeding device according to claim 1, characterized in that: The transmission teeth on the outer rotating shell and the transmission teeth on the outer circular supporting shell are arranged in a circular ring shape, and a transmission gap for matching with a small transmission gear is reserved between the transmission teeth on the outer rotating shell and the transmission teeth on the outer circular supporting shell.

8. The vertical disc rice precision direct seeding device according to claim 1, characterized in that: The transmission shaft is a Z-shaped transmission shaft.

Citation Information

Patent Citations

  • Paddy rice direct seeding seed-metering device capable of accurately adjusting seeding rate

    CN115885639A

  • Precision grain sowing device capable of uniformly discharging grain seeds

    US20230301224A1