Groove-shaped preparation device for reducing bouncing and rolling of corn seeds in contact with ground

Abstract

The invention discloses a ditch-shaped preparation device for reducing bounce and rolling of corn seeds in contact with the ground, the ditch-shaped preparation device comprises a soil breaking shovel, a ditch pressing gear, a shell main body, a seed guide pipe and a mounting wing plate, the tip end of the soil breaking shovel is used for breaking soil, and the soil breaking shovel is welded on the shell main body; the lower part of the shell main body is provided with a furrow pressing gear, the middle part is provided with a seed guide pipe and the upper part is connected with a mounting wing plate; the groove pressing gear is a chamfered cylindrical gear with a tooth tip and is connected with the shell main body through a pin shaft; the upper part of the seed guide pipe is provided with a mounting hole and is connected with the shell main body through a pin shaft; the mounting wing plate is welded on the shell main body, four mounting holes are formed in the back of the mounting wing plate, and the mounting wing plate is connected with a seeder rack through U-shaped bolts. According to the invention, the soil breaking shovel opens the earth surface to form a preliminary soil seed ditch, then under the action of the ditch pressing gear, large soil blocks on the surface of soil at the bottom of the ditch are crushed, small pits are pressed at the bottom of the ditch, and after the seeds fall into the seed ditch from the outlet of the seed guide pipe, the seeds collide with the pits to form a relatively stable wrapping type constraining force; the residual linear speed and the residual rotating speed of the seeds are reduced, so that the seeds are fixed by the soil. The problem that the seeding uniformity is reduced due to bounce and rolling after corn seeds fall into the seed furrows can be effectively solved.

Description

Technical Field

[0001] The invention belongs to the field of agricultural machinery, and specifically designs a groove preparation device for reducing the bouncing and rolling of corn seeds touching the ground. Background Art

[0002] Corn is an annual herbaceous plant of the Poaceae family, also known as corn, corn cob, maize, pearl rice, etc. It is native to Central and South America. It is an important food crop in the world and is widely distributed in the United States, China, Brazil and other countries. Compared with traditional food crops such as rice and wheat, corn has strong drought resistance, cold resistance, barrenness resistance and excellent environmental adaptability. It is an important food crop in my country and is widely distributed in various regions such as Northeast, North China, and Northwest my country.

[0003] Modern agriculture is developing towards high precision and high efficiency, among which precision seeding technology has become an important guarantee for the growth and development of crops and high yields in modern agriculture. Precision seeding refers to the process of accurately positioning a certain number of seeds in the soil according to fixed row spacing, seed spacing and depth according to agronomic requirements. Its main purpose is to improve the uniformity of seed spacing, row spacing and seeding depth, and create a uniform and consistent growth environment for seeds.

[0004] However, in the current actual sowing process, since the seeds still have residual linear speed and residual rotational speed after leaving the seed guide tube, the seeds bounce and roll after falling into the seed groove, resulting in seed displacement, which greatly affects the accuracy and uniformity of sowing, thereby reducing corn yield. Based on the above problems, the present invention provides a groove preparation device for reducing the bouncing and rolling of corn seeds touching the ground. Summary of the invention

[0005] In order to achieve the purpose of the present invention, the following technical scheme is adopted: The present invention provides a groove preparation device for reducing the bouncing and rolling of corn seeds touching the ground, which can effectively solve the problem raised in the above-mentioned background technology that after the seeds leave the seed guide tube, they have residual linear speed and residual rotational speed, which causes the seeds to bounce and roll after falling into the seed groove, resulting in seed displacement and thus affecting the uniformity of sowing.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a groove preparation device for reducing the bouncing and rolling of corn seeds touching the ground, comprising a soil-breaking shovel, a groove-pressing gear, a shell body, a seed guide tube, and a mounting wing plate, wherein the tip of the soil-breaking shovel is used to break the soil, and the soil-breaking shovel is welded to the shell body; the lower part of the shell body is equipped with a groove-pressing gear, the middle part is equipped with a seed guide tube, and the upper part is connected with a mounting wing plate; the groove-pressing gear is a chamfered cylindrical gear with tooth tips, which is connected to the shell body by a pin shaft, and the groove-pressing gear can crush larger soil blocks and press out small pits for inoculation; the seed guide tube has a mounting hole on the upper part, which is connected to the shell body by a pin shaft, and is used to guide seeds from the seed metering device into the soil; the mounting wing plate is welded to the shell body, and has four mounting holes on the back, which is connected to the seeder frame by U-shaped bolts.

[0007] The purpose of the present invention is achieved in this way: after the ground surface is opened by a soil-breaking shovel and a preliminary soil seed trench is formed, the large soil blocks on the surface of the soil at the bottom of the trench are crushed and small pits are pressed at the bottom of the trench under the action of the trench pressing gear. When the seeds fall into the seed trench from the outlet of the seed guide tube, the seeds collide with the pits to form a relatively stable wrapping restraint force, reducing the residual linear speed and residual rotational speed of the seeds. In this process, the kinetic energy of the seeds is converted into the kinetic energy of soil particles and finally the internal energy generated by friction is dissipated, so that the seeds are fixed by the soil.

[0008] Preferably, arc transition is performed on both sides of the trench pressing gear, which can reduce the adhesion of soil on the trench pressing gear.

[0009] Preferably, the shell body should have a wall thickness of more than 5 mm to ensure operational strength.

[0010] Preferably, the seed guide tube should have a lifting lug buckled on a cross bar in the shell body, and a pin inserted into the mounting hole at the upper end of the seed guide tube.

[0011] Preferably, the mounting wing plate has four through holes for connection with the frame.

[0012] The important innovation of this trench preparation device is that the soil in the seed trench is pressed into small pits by the trench pressing gear. When the seeds fall into the pits, the residual kinetic energy of the seeds is quickly and evenly dissipated, thereby reducing the bouncing and rolling of the seeds in the seed trench, thereby improving the accuracy and uniformity of corn sowing. The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. Figure 1 Schematic diagram of a groove preparation device for reducing the bouncing and rolling of corn seeds when they touch the ground Figure 2 Schematic diagram of groove pressure gear structure Figure 3Schematic diagram of the main structure of the shell Figure 4 Seed guide tube structure diagram Figure 5 Installation diagram of wing plate structure Figure 6 Installation application diagram Description of the part numbers in the figure: 1. Soil-breaking shovel; 2. Grooving gear: 201. Pressing tooth; 202. Inner mounting hole of the groove pressing gear; 3. Shell body: 301. Outer mounting hole of the seed guide tube; 302. Seed guide tube mounting cross bar; 303. Outer mounting hole of the groove pressing gear; 4. Seed guide tube: 401. Inner mounting hole of the seed guide tube; 402. Seed guide tube mounting ear; 5. Mounting wing plate: 501. Mounting wing plate hole.

Claims

1. A groove preparation device for reducing corn seeds from bouncing and rolling when touching the ground, characterized in that: It includes a soil-breaking shovel, a trenching gear, a shell body, a seed guide tube, and a mounting wing plate. The tip of the soil-breaking shovel is used for breaking the soil and is welded to the shell body. The trenching gear is installed at the lower part of the shell body, the seed guide tube is installed in the middle part, and the upper part is connected to the mounting wing plate. The trenching gear is a chamfered cylindrical gear with tooth tips, which is connected to the shell body through a pin shaft and is used to break larger soil blocks and press out small pits for inoculation. The seed guide tube has a mounting hole on the upper part and is connected to the shell body through a pin shaft to guide seeds from the seed metering device into the soil. The mounting wing plate is welded to the shell body and has four mounting holes on the back for connecting to the seeder frame through U-shaped bolts.

2. The groove preparation device for reducing corn seeds' bouncing and rolling when touching the ground according to claim 1, characterized in that: When the device is working, after the soil-breaking shovel opens the ground surface to form a preliminary soil seed trench, the trench pressing gear crushes the large soil blocks on the soil surface at the bottom of the trench and presses small pits at the bottom of the trench. After the seeds fall into the seed trench from the outlet of the seed guide tube, they collide with the pits to form a stable wrapping constraint force, reducing the residual linear speed and residual rotational speed of the seeds. The kinetic energy of the seeds is converted into the kinetic energy of soil particles and eventually dissipated by friction to generate internal energy, so that the seeds are fixed by the soil, thereby reducing the bouncing and rolling of the seeds in the seed trench and improving the accuracy and uniformity of corn sowing.

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