A buckwheat precision seeding and furrowing device and seeding method

Abstract

This invention belongs to the field of buckwheat sowing technology and provides a buckwheat precision sowing furrowing and covering device and method. The device includes a machine body, a first rotating shaft rotatably mounted at the bottom front end of the machine body, with wheels fixedly mounted at both ends of the first rotating shaft, and a seed chamber fixedly mounted at the top of the machine body. Three mounting plates are disposed inside the machine body, with a seeder connected to the bottom of each mounting plate. The first rotating shaft is drivenly connected to the seeder. The bottom end of the seed chamber is connected to the inlet end of the seeder via a flexible hose. A furrowing plow is connected to the front end of each mounting plate, and a covering mechanism is connected to the rear end of each mounting plate. A second rotating shaft rotatably mounted at the bottom rear end of the machine body, with leveling wheels fixedly mounted on the second rotating shaft. A tractor head for connecting to a tractor is located at the front end of the machine body, and a handle is fixedly mounted at the rear end. This invention enables precision buckwheat sowing, completing furrowing, sowing, and covering in one operation, and allows for easy adjustment of row spacing.

Description

Technical Field

[0001] This invention belongs to the field of buckwheat sowing technology, specifically relating to a buckwheat precision sowing furrowing and soil covering device and sowing method. Background Technology

[0002] Buckwheat, a type of coarse grain crop that is tolerant of poor soil and has a short growing season, is widely planted in arid and semi-arid regions of northern my country. Its yield is closely related to the quality of sowing.

[0003] Currently, buckwheat is mostly sown by broadcasting or semi-precision row sowing, which has problems such as large seed consumption, uneven emergence, crowded seedlings, and fierce competition for nutrients, leading to increased difficulty in later field management and difficulty in increasing yield. At the same time, buckwheat grains are small (thousand-grain weight 20-30g), and traditional precision sowing devices are prone to missed sowing, double sowing, and grain damage, resulting in poor adaptability. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a buckwheat precision sowing, furrowing and covering device and sowing method that address the shortcomings of the prior art. The buckwheat precision sowing, furrowing and covering device can realize buckwheat precision sowing, complete furrowing, sowing and covering in one go, and the row spacing can be easily adjusted. It can be widely applied.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: a buckwheat precision sowing, furrowing, and soil covering device, characterized in that it includes a machine body, a first rotating shaft rotatably mounted at the bottom front end of the machine body, and traveling wheels fixedly mounted at both ends of the first rotating shaft. A seed bin is fixedly mounted at the top end of the machine body. Three mounting plates are provided inside the machine body, and a seeder is connected to the bottom of each mounting plate. The first rotating shaft is drivenly connected to the seeder. The bottom end of the seed bin is connected to the inlet end of the seeder through a flexible hose. When the spacing of the seeders is adjusted, the flexible hose deforms to ensure that the seeds enter the seeder from the seed bin. A furrowing plow is connected to the front end of the mounting plate, and a soil covering mechanism is connected to the rear end of the mounting plate. A second rotating shaft is rotatably mounted at the bottom rear end of the machine body, and a leveling wheel is fixedly mounted on the second rotating shaft. The leveling wheel and two traveling wheels support the machine body, enabling the machine body to move with a tractor. A tractor-drawn head is provided at the front end of the machine body for connecting to the tractor, and a handle is fixedly mounted at the rear end of the machine body. The device can be moved by a tractor or manually by pushing the device through the handle.

[0006] As the device moves, the furrowing plow creates planting furrows in the field, the traveling wheels rotate, driving the first rotating shaft to rotate, which in turn drives the seeder to sow buckwheat seeds, and the soil covering mechanism covers the buckwheat seeds in the planting furrows with soil.

[0007] Preferably, the seeder includes a housing and a seeding disc. The seeding disc is rotatably mounted inside the housing. An installation sleeve is fixedly mounted inside the machine body. The housing and the installation sleeve are slidably connected. The housing can slide with the installation sleeve but does not rotate. A seeding shaft that is drivenly connected to a first rotating shaft is rotatably mounted inside the machine body. The seeding shaft is rotatably mounted inside the installation sleeve. The seeding disc and the seeding shaft are connected by a spline. The seeding discs on both sides can slide relative to the seeding shaft without affecting the rotation of the seeding disc with the seeding shaft.

[0008] The seeding wheel has several seed holes evenly spaced around its periphery. Each seed hole can hold 1 to 3 buckwheat seeds. The diameter of the seed holes is designed and manufactured according to actual needs to achieve precision seeding. The top of the outer shell is connected to a flexible tube, and the bottom of the outer shell is provided with a seed discharge port.

[0009] As the device moves, the traveling wheels rotate, which in turn drives the first rotating shaft to rotate, causing the seeding disc to rotate relative to the outer casing.

[0010] When the seed hole is rotated to the top of the outer shell, the buckwheat seeds inside the tube enter the seed hole. When the seed hole is rotated to the seed discharge port, the seeds in the seed hole are discharged from the seed discharge port and enter the planting furrow, thus realizing sowing.

[0011] Preferably, a gearbox is fixedly installed on the machine body, the input shaft of the gearbox is drivenly connected to a first rotating shaft, the output shaft of the gearbox is drivenly connected to a sowing shaft, and a gear shift lever is provided on the gearbox.

[0012] The gearbox transmission ratio can be adjusted via the gear lever, thereby controlling the transmission ratio between the first rotating shaft and the sowing shaft, and thus controlling the sowing speed. When the traveling speed of this device is constant, the sowing spacing of buckwheat seeds can be controlled by adjusting the sowing speed. The gearbox can be adjusted according to manual or tractor-driven operation to ensure sowing efficiency or sowing accuracy.

[0013] Preferably, the middle mounting plate is fixedly connected to the machine body, and a spacing adjustment mechanism is fixedly installed on the end of the middle mounting plate near the furrowing plow. The spacing adjustment mechanism is used to synchronously adjust the spacing between the three mounting plates.

[0014] The spacing between the three mounting plates can be adjusted via the spacing adjustment mechanism, allowing for synchronous adjustment of the spacing between the seeder, furrowing plow, and covering mechanism.

[0015] Preferably, the spacing adjustment mechanism includes an adjustment box, which is fixedly mounted on the mounting plate located in the middle. An adjustment shaft is rotatably mounted inside the adjustment box. A gear is fixedly mounted on one end of the adjustment shaft inside the adjustment box. Racks are slidably mounted on opposite sides inside the adjustment box. Both racks mesh with the gear. One end of the rack outside the adjustment box is fixedly connected to the mounting plate on the same side.

[0016] Rotating the adjusting shaft drives the gear to rotate, causing the two racks to slide relative to the adjusting box, which in turn causes the two outer mounting plates to move closer or further apart, thus adjusting the spacing between the mounting plates.

[0017] A first worm gear is fixedly installed on one end of the adjusting shaft outside the adjusting box. A first adjusting rod is rotatably installed on the top of the adjusting box via a support. A first worm gear that meshes with the first worm gear is fixedly connected to the end of the first adjusting rod. A first handle is fixedly installed on the first adjusting rod.

[0018] The first handle can drive the first worm gear to rotate, which in turn drives the first worm wheel to rotate, causing the adjusting shaft to rotate and thus adjusting the spacing between the mounting plates.

[0019] Preferably, a lifting adjustment mechanism is fixedly installed on the mounting plate located in the middle, and the lifting adjustment mechanism is used to drive the soil covering mechanism to rise and fall relative to the machine body.

[0020] The height of the three soil covering mechanisms can be adjusted simultaneously through the lifting and adjusting mechanism, which improves efficiency and ensures the soil covering effect.

[0021] Preferably, the lifting adjustment mechanism includes an outer sleeve fixed to the rear end of the mounting plate located in the middle, an inner sleeve threaded into the inner sleeve, the inner sleeve being connected to the soil covering mechanism, a lifting seat being provided at the top of the inner sleeve, and two connecting plates being slidably inserted into the lifting seat. When the spacing of the mounting plates is adjusted, the connecting plates slide relative to the lifting seat, and the outer ends of the connecting plates are fixedly connected to the soil covering mechanism on the same side.

[0022] Rotating the inner sleeve allows it to rise and fall relative to the outer sleeve, which in turn raises and lowers the soil covering mechanism at the bottom of the inner sleeve, which in turn raises and lowers the lifting seat. The lifting seat, through a connecting plate, raises and lowers the two outer soil covering mechanisms, so that the three soil covering mechanisms rise and fall synchronously.

[0023] A second adjusting rod is rotatably mounted on the top of the lifting seat via a support. A second worm gear is fixedly connected to the second adjusting rod. A second worm wheel that meshes with the second worm gear is fixedly mounted on the top of the inner sleeve. A second handle is fixedly mounted on the second adjusting rod. Telescopic rods connected to the soil covering mechanism are provided at the bottom of the three mounting plates. The telescopic rods serve a directional effect to prevent the soil covering mechanism from rotating with the inner sleeve.

[0024] By rotating the second adjusting rod with the second handle, the second worm gear rotates, which in turn drives the second worm wheel to rotate, thereby rotating the inner sleeve and enabling the operation of the lifting and adjusting mechanism.

[0025] Preferably, the soil covering mechanism includes a telescopic rod fixedly installed at the bottom of the mounting plate. A flat plate is fixedly installed at the bottom of the telescopic rod, and a vertical rod is fixedly installed at the top of the flat plate. The top of the vertical rod located in the middle is slidably inserted into the inner sleeve. Guide sleeves are fixedly installed at the bottom of the mounting plate located on both sides, and the tops of the vertical rods located on both sides are slidably inserted into the guide sleeves. The telescopic rod is parallel to the vertical rod. A figure-eight soil covering plate is fixedly installed at the bottom of the flat plate. The figure-eight soil covering plate consists of two symmetrically arranged soil covering plates. As the device moves, the figure-eight soil covering plate pushes the soil on both sides of the planting trench into the planting trench, burying the buckwheat seeds and completing the soil covering.

[0026] Preferably, the mounting plate has a mounting hole at its front end, a lifting rod is slidably inserted into the mounting hole, the bottom end of the lifting rod is fixedly connected to the ditching plow, an adjustment hole is provided at the side end of the mounting hole, a plurality of positioning holes are provided at equal intervals on the lifting rod, a fixing bolt is provided in the adjustment hole, and the fixing bolt passes through the positioning hole.

[0027] By installing the fixing bolts in different positioning holes, the height of the lifting rod relative to the mounting plate can be adjusted, and the depth of the trenching plow into the soil can be adjusted.

[0028] A buckwheat sowing method, using the buckwheat precision sowing, furrowing, and soil-covering device described above, is characterized by comprising the following steps: S1. Add sufficient buckwheat seeds to the seed bin, connect the device to the tractor via the tractor head, and then use the tractor to pull the device to the field where buckwheat is to be sown.

[0029] S101. The first handle can drive the first worm gear to rotate, which in turn drives the first worm wheel to rotate, causing the adjusting shaft to rotate. Rotating the adjusting shaft can drive the gear to rotate, causing the two racks to slide relative to the adjusting box, and causing the two outer mounting plates to move closer or further apart, thus synchronously adjusting the spacing between the seeder, furrowing plow, and soil covering mechanism.

[0030] S102. By rotating the second adjusting rod through the second handle, the second worm gear rotates, which in turn drives the second worm wheel to rotate, causing the inner sleeve to rotate and the inner sleeve to rise and fall relative to the outer sleeve. This causes the soil covering mechanism at the bottom of the inner sleeve to rise and fall, which in turn causes the lifting seat to rise and fall. The lifting seat, through the connecting plate, drives the two outer soil covering mechanisms to rise and fall, so that the three soil covering mechanisms rise and fall synchronously.

[0031] S103. By installing the fixing bolts in different positioning holes, the height of the lifting rod relative to the mounting plate can be adjusted, and the depth of the trenching plow into the soil can be adjusted.

[0032] S2. The planted crops are moved across the field by being towed by a tractor.

[0033] As the device moves, the furrowing plow creates planting furrows in the field, the traveling wheels rotate, driving the first rotating shaft to rotate, which in turn drives the seeding disc to rotate relative to the outer casing.

[0034] When the seed hole is rotated to the top of the outer shell, the buckwheat seeds inside the tube enter the seed hole. When the seed hole is rotated to the seed discharge port, the seeds in the seed hole are discharged from the seed discharge port and enter the planting furrow, thus realizing sowing.

[0035] As the device moves, the figure-eight covering plate pushes the soil from both sides of the planting trench into the trench, burying the buckwheat seeds and completing the covering.

[0036] Compared with the prior art, the present invention has the following advantages: 1. The present invention has three mounting plates in the machine body. The seeder is installed at the bottom of the mounting plate. The furrowing plow and the soil covering mechanism are evenly connected to the mounting plates. By adjusting the spacing of the mounting plates, the spacing of the furrowing plow, the seeder and the soil covering mechanism can be adjusted synchronously, which is convenient for operation. The front end of the machine body is equipped with a traveling wheel through the first rotating shaft. As the device moves, the traveling wheel drives the first rotating shaft to rotate, and the first rotating shaft drives the seeder to rotate, so as to achieve precision sowing.

[0037] 2. The present invention is provided with a spacing adjustment mechanism on the mounting plate, which can adjust the spacing of the three mounting plates and adjust the spacing of the seeder, furrowing plow and soil covering mechanism synchronously. The mounting plate is also provided with a lifting adjustment mechanism, which can raise and lower the three soil covering mechanisms synchronously, making the operation convenient.

[0038] 3. The spacing adjustment mechanism of the present invention includes an adjustment box, which is fixedly mounted on a mounting plate located in the middle. An adjustment shaft is rotatably mounted inside the adjustment box. A gear is fixedly mounted on one end of the adjustment shaft inside the adjustment box. Racks are slidably mounted on opposite sides inside the adjustment box, and both racks mesh with the gear. One end of the rack outside the adjustment box is fixedly connected to the mounting plate on the same side. A first worm gear is fixedly mounted on the end of the adjustment shaft outside the adjustment box. A first adjustment rod is rotatably mounted on the top of the adjustment box via a support. A first worm gear meshing with the first worm gear is fixedly connected to the end of the first adjustment rod. A first handle is fixedly mounted on the first adjustment rod. The first handle can drive the first worm gear to rotate, which in turn drives the first worm gear to rotate, causing the adjustment shaft to rotate, which in turn drives the gear to rotate, causing the two racks to slide relative to the adjustment box, and causing the two outer mounting plates to move closer or further apart, thereby adjusting the spacing between the mounting plates.

[0039] 4. The lifting and adjusting mechanism of the present invention includes an outer sleeve, an inner sleeve threaded into the inner sleeve, the inner sleeve being connected to the soil covering mechanism, a lifting seat being provided at the top of the inner sleeve, two connecting plates being slidably inserted into the lifting seat, the outer ends of the connecting plates being fixedly connected to the soil covering mechanism on the same side, a second adjusting rod being rotatably mounted on the top of the lifting seat via a support, a second worm gear being fixedly connected to the second adjusting rod, a second worm wheel being fixedly mounted on the top of the inner sleeve and meshing with the second worm gear, a second handle being fixedly mounted on the second adjusting rod, and telescopic rods connected to the soil covering mechanism being provided at the bottom of the three mounting plates. By rotating the second adjusting rod through the second handle, the second worm gear rotates, which drives the second worm wheel to rotate, which in turn drives the inner sleeve to rotate. Rotating the inner sleeve allows the inner sleeve to rise and fall relative to the outer sleeve, which in turn drives the soil covering mechanism at the bottom of the inner sleeve to rise and fall, which in turn drives the lifting seat to rise and fall. The lifting seat drives the two outer soil covering mechanisms to rise and fall through the connecting plates, so that the three soil covering mechanisms rise and fall synchronously.

[0040] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. Attached Figure Description

[0041] Figure 1 This is a schematic diagram of the structure of the present invention.

[0042] Figure 2 This is a structural schematic diagram from another perspective of the present invention.

[0043] Figure 3 This is a schematic diagram of the internal structure of the present invention.

[0044] Figure 4 This is a schematic diagram showing the connection between the seed bin and the seeder in this invention.

[0045] Figure 5 This is a schematic diagram of the seeder in this invention.

[0046] Figure 6 This is a schematic diagram of the spacing adjustment mechanism in this invention.

[0047] Figure 7 This is a partial perspective view of the spacing adjustment mechanism in this invention.

[0048] Figure 8 This is a schematic diagram of the lifting and adjusting mechanism in this invention.

[0049] Figure 9 This is a partial cross-sectional view of the lifting and adjusting mechanism in this invention.

[0050] Explanation of reference numerals in the attached figures: 1-Machine body; 101-First rotating shaft; 102-Walking wheel; 103-Second rotating shaft; 104-Leveling wheel; 2-Seed bin; 201-Hose; 3-Mounting plate; 301-Guide sleeve; 302-Mounting hole; 4-Seeder; 401-Outer shell; 402-Seeding disc; 403-Mounting sleeve; 404-Seeding shaft; 405-Seed hole; 5-Furrowing plow; 501-Lifting rod; 6-Soil covering mechanism; 601-Telescopic rod; 602-Flat plate; 603-Vertical... 604 - Figure-eight soil covering plate; 7 - Gearbox; 701 - Gear shift lever; 8 - Spacing adjustment mechanism; 801 - Adjustment box; 802 - Adjustment shaft; 803 - Gear; 804 - Rack; 805 - First worm gear; 806 - First adjusting rod; 807 - First worm; 9 - Lifting adjustment mechanism; 901 - Outer sleeve; 902 - Inner sleeve; 903 - Lifting seat; 904 - Connecting plate; 905 - Second adjusting rod; 906 - Second worm; 907 - Second worm gear. Detailed Implementation

[0051] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0052] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly attached to the other element or there may be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0053] like Figures 1-9As shown, this invention provides a buckwheat precision sowing, furrowing, and soil covering device, comprising a body 1. A first rotating shaft 101 is rotatably mounted on the bottom front end of the body 1, and traveling wheels 102 are fixedly mounted on both ends of the first rotating shaft 101. A seed chamber 2 is fixedly mounted on the top end of the body 1. Three mounting plates 3 are provided inside the body 1, and a seeder 4 is connected to the bottom of each mounting plate 3. The first rotating shaft 101 is connected to the seeder 4 via a drive mechanism. The bottom end of the seed chamber 2 is connected to the inlet end of the seeder 4 via a flexible hose 201. When the spacing of the seeder 4 is adjusted, the flexible hose 201 deforms to ensure that the seeds are sown from the bottom. Seed bin 2 enters seeder 4. The front end of mounting plate 3 is connected to furrowing plow 5, and the rear end of mounting plate 3 is connected to soil covering mechanism 6. The bottom rear end of machine body 1 is rotatably mounted with second shaft 103. Leveling wheel 104 is fixedly mounted on second shaft 103. Leveling wheel 104 and two walking wheels 102 support machine body 1, so that machine body 1 can move with tractor. The front end of machine body 1 is provided with tractor head for connecting tractor. The rear end of machine body 1 is fixedly mounted with handle. The device can be moved by tractor or manually by handle.

[0054] As the device moves, the furrowing plow 5 opens planting furrows in the field, the traveling wheel 102 rotates, driving the first rotating shaft 101 to rotate, which in turn drives the seeder 4 to run. The seeder 4 sows buckwheat seeds, and the soil covering mechanism 6 covers the buckwheat seeds in the planting furrows with soil.

[0055] In this embodiment, the seeder 4 includes a housing 401 and a seeding disc 402. The seeding disc 402 is rotatably installed inside the housing 401. An installation sleeve 403 is fixedly installed inside the machine body 1. The housing 401 and the installation sleeve 403 are slidably connected. The housing 401 can slide with the sliding of the installation sleeve 403, but does not rotate. A seeding shaft 404, which is drivenly connected to the first rotating shaft 101, is rotatably installed inside the machine body 1. The seeding shaft 404 is rotatably disposed inside the installation sleeve 403. The seeding disc 404 and the seeding shaft 404 are connected by a spline. The seeding discs 404 on both sides can slide relative to the seeding shaft 404 without affecting the rotation of the seeding discs 404 with the seeding shaft 404.

[0056] The seeding wheel 402 has several seed holes 405 evenly spaced around its periphery. Each seed hole 405 can hold 1 to 3 buckwheat seeds. The diameter of the seed hole 405 is designed and manufactured according to actual needs to achieve precision seeding. The top of the outer shell 401 is connected to the flexible tube 201, and the bottom of the outer shell 401 is provided with a seed discharge port.

[0057] As the device moves, the traveling wheel 102 rotates, driving the first rotating shaft 101 to rotate, which in turn drives the seeding disc 402 to rotate relative to the outer casing 401.

[0058] When the seed hole 405 is rotated to the top of the outer shell 401, the buckwheat seeds in the hose 201 enter the seed hole 405. When the seed hole 405 is rotated to the seed discharge port, the seeds in the seed hole 405 are discharged from the seed discharge port and enter the planting furrow, thus realizing sowing.

[0059] In this embodiment, a gearbox 7 is fixedly installed on the machine body 1. The input shaft of the gearbox 7 is connected to the first rotating shaft 101, and the output shaft of the gearbox 7 is connected to the sowing shaft 404. A gear shift lever 701 is provided on the gearbox 7.

[0060] The transmission ratio of the gearbox 7 can be adjusted by the gear lever 701, thereby controlling the transmission ratio between the first rotating shaft 101 and the sowing shaft 404, and thus controlling the sowing speed. When the traveling speed of this device is constant, the sowing spacing of buckwheat seeds can be controlled by controlling the sowing speed. The gearbox 7 can be adjusted according to manual or tractor-driven operation to ensure sowing efficiency or sowing accuracy.

[0061] In this embodiment, the middle mounting plate 3 is fixedly connected to the machine body 1, and a spacing adjustment mechanism 8 is fixedly installed on the end of the middle mounting plate 3 near the furrowing plow 5. The spacing adjustment mechanism 8 is used to synchronously adjust the spacing between the three mounting plates 3.

[0062] The spacing between the three mounting plates 3 can be adjusted by the spacing adjustment mechanism 8, so that the spacing between the seeder 4, the furrowing plow 5 and the soil covering mechanism 6 can be adjusted synchronously.

[0063] In this embodiment, the spacing adjustment mechanism 8 includes an adjustment box 801, which is fixedly installed on the mounting plate 3 located in the middle. An adjustment shaft 802 is rotatably installed inside the adjustment box 801. A gear 803 is fixedly installed on one end of the adjustment shaft 802 inside the adjustment box 801. Racks 804 are slidably installed on opposite sides inside the adjustment box 801. Both racks 804 mesh with the gear 803. The end of the rack 804 outside the adjustment box 801 is fixedly connected to the mounting plate 3 on the same side.

[0064] Rotating the adjusting shaft 802 can drive the gear 803 to rotate, causing the two racks 804 to slide relative to the adjusting box 801, which in turn causes the two outer mounting plates 3 to move closer or further apart, thereby adjusting the distance between the mounting plates 3.

[0065] A first worm gear 805 is fixedly installed on one end of the adjusting shaft 802 outside the adjusting box 801. A first adjusting rod 806 is rotatably installed on the top of the adjusting box 801 via a support. A first worm 807 that meshes with the first worm gear 805 is fixedly connected to the end of the first adjusting rod 806. A first handle is fixedly installed on the first adjusting rod 806.

[0066] The first handle can drive the first worm gear 807 to rotate, which in turn drives the first worm wheel 805 to rotate, causing the adjusting shaft 802 to rotate, thereby adjusting the spacing of the mounting plate 3.

[0067] In this embodiment, a lifting adjustment mechanism 9 is fixedly installed on the mounting plate 3 located in the middle. The lifting adjustment mechanism 9 is used to drive the soil covering mechanism 6 to rise and fall relative to the machine body 1.

[0068] The height of the three soil covering mechanisms 6 can be adjusted simultaneously through the lifting and adjusting mechanism 9, which improves efficiency and ensures the soil covering effect.

[0069] In this embodiment, the lifting adjustment mechanism 9 includes an outer sleeve 901 fixed to the rear end of the mounting plate 3 located in the middle. An inner sleeve 902 is threaded into the inner sleeve 901. The inner sleeve 902 is connected to the soil covering mechanism 6. A lifting seat 903 is provided on the top of the inner sleeve 902. Two connecting plates 904 are slidably inserted into the lifting seat 903. When the spacing of the mounting plate 3 is adjusted, the connecting plates 904 slide relative to the lifting seat 903. The outer end of the connecting plate 904 is fixedly connected to the soil covering mechanism 6 on the same side.

[0070] Rotating the inner sleeve 902 allows the inner sleeve 902 to rise and fall relative to the outer sleeve 901, which in turn raises and falls the soil covering mechanism 6 at the bottom of the inner sleeve 902, and raises and falls the lifting seat 903. The lifting seat 903 raises and falls the two outer soil covering mechanisms 6 through the connecting plate 904, so that the three soil covering mechanisms 6 rise and fall synchronously.

[0071] A second adjusting rod 905 is rotatably mounted on the top of the lifting seat 903 via a support. A second worm gear 906 is fixedly connected to the second adjusting rod 905. A second worm wheel 907 that meshes with the second worm gear 906 is fixedly mounted on the top of the inner sleeve 902. A second handle is fixedly mounted on the second adjusting rod 905. The bottom ends of the three mounting plates 3 are provided with telescopic rods 601 that are connected to the soil covering mechanism 6. The telescopic rods 601 serve a directional function to prevent the soil covering mechanism 6 from rotating with the inner sleeve 902.

[0072] By rotating the second adjustment rod 905 with the second handle, the second worm gear 906 rotates, which drives the second worm wheel 907 to rotate, and drives the inner sleeve 902 to rotate, thereby realizing the operation of the lifting adjustment mechanism 9.

[0073] In this embodiment, the soil covering mechanism 6 includes a telescopic rod 601 fixedly installed at the bottom of the mounting plate 3. A flat plate 602 is fixedly installed at the bottom of the telescopic rod 601, and a vertical rod 603 is fixedly installed at the top of the flat plate 602. The top of the vertical rod 603 located in the middle is slidably inserted into the inner sleeve 902. Guide sleeves 301 are fixedly installed at the bottom of the mounting plate 3 located on both sides. The tops of the vertical rods 603 located on both sides are slidably inserted into the guide sleeves 301. The telescopic rod 601 is parallel to the vertical rod 603. A figure-eight soil covering plate 604 is fixedly installed at the bottom of the flat plate 602. The figure-eight soil covering plate 604 consists of two symmetrically arranged soil covering plates. As the device moves, the figure-eight soil covering plate 604 pushes the soil on both sides of the planting trench into the planting trench to bury the buckwheat seeds and complete the soil covering.

[0074] When the vertical rod 603 rises and falls with the inner sleeve 902, the telescopic rod 601 extends and retracts.

[0075] In this embodiment, the mounting plate 3 has a mounting hole 302 at its front end, and a lifting rod 501 is slidably inserted into the mounting hole 302. The bottom end of the lifting rod 501 is fixedly connected to the ditching plow 5. An adjustment hole is provided on the side end of the mounting hole 302. Multiple positioning holes are provided at equal intervals on the lifting rod 501. A fixing bolt is provided in the adjustment hole, and the fixing bolt passes through the positioning hole.

[0076] By installing the fixing bolts in different positioning holes, the height of the lifting rod 501 relative to the mounting plate 3 can be adjusted, and the soil penetration depth of the trenching plow 5 can be adjusted.

[0077] A buckwheat sowing method, using the buckwheat precision sowing furrowing and covering device described above, includes the following steps: S1. Add sufficient buckwheat seeds to the seed bin 2, connect the device to the tractor using the tractor head, and then use the tractor to pull the device to the field where buckwheat is to be sown.

[0078] S101. The first handle can drive the first worm 807 to rotate, which in turn drives the first worm wheel 805 to rotate, causing the adjusting shaft 802 to rotate. Rotating the adjusting shaft 802 can drive the gear 803 to rotate, which in turn drives the two racks 804 to slide relative to the adjusting box 801, causing the two outer mounting plates 3 to move closer or further apart, thus synchronously adjusting the spacing between the seeder 4, the furrowing plow 5, and the soil covering mechanism 6.

[0079] S102. By rotating the second adjusting rod 905 through the second handle, the second worm gear 906 rotates, which drives the second worm wheel 907 to rotate, causing the inner sleeve 902 to rotate, making the inner sleeve 902 rise and fall relative to the outer sleeve 901. This causes the soil covering mechanism 6 at the bottom of the inner sleeve 902 to rise and fall, and causes the lifting seat 903 to rise and fall. The lifting seat 903 drives the two outer soil covering mechanisms 6 to rise and fall through the connecting plate 904, so that the three soil covering mechanisms 6 rise and fall synchronously.

[0080] S103. By installing the fixing bolts in different positioning holes, the height of the lifting rod 501 relative to the mounting plate 3 can be adjusted, and the soil penetration depth of the trenching plow 5 can be adjusted.

[0081] S2. The planted crops are moved across the field by being towed by a tractor.

[0082] As the device moves, the furrowing plow 5 creates planting furrows in the field, the traveling wheel 102 rotates, driving the first rotating shaft 101 to rotate, which in turn drives the seeding disc 404 to rotate relative to the outer casing 401.

[0083] When the seed hole 405 is rotated to the top of the outer shell 401, the buckwheat seeds in the hose 201 enter the seed hole 405. When the seed hole 405 is rotated to the seed discharge port, the seeds in the seed hole 405 are discharged from the seed discharge port and enter the planting furrow, thus realizing sowing.

[0084] As the device moves, the figure-eight covering plate 604 pushes the soil from both sides of the planting trench into the trench, burying the buckwheat seeds and completing the covering.

[0085] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention in any way. Any simple modifications, alterations, and equivalent changes made to the above embodiments based on the inventive essence shall still fall within the protection scope of the present invention.

Claims

1. A buckwheat precision sowing, furrowing, and soil covering device, characterized in that, The machine includes a body (1), a first rotating shaft (101) is rotatably mounted on the bottom front end of the body (1), and walking wheels (102) are fixedly mounted on both ends of the first rotating shaft (101). A seed bin (2) is fixedly mounted on the top end of the body (1). Three mounting plates (3) are provided inside the body (1). A seeder (4) is connected to the bottom of each mounting plate (3). The first rotating shaft (101) is connected to the seeder (4) in a transmission connection. The bottom end of the seed bin (2) is connected to the inlet end of the seeder (4) through a hose (201). A furrowing plow (5) is connected to the front end of the mounting plate (3). A soil covering mechanism (6) is connected to the rear end of the mounting plate (3). A second rotating shaft (103) is rotatably mounted on the bottom rear end of the body (1). A leveling wheel (104) is fixedly mounted on the second rotating shaft (103). A traction head for connecting a tractor is provided at the front end of the body (1).

2. The buckwheat precision sowing, furrowing, and soil-covering device according to claim 1, characterized in that, The seeder (4) includes a housing (401) and a seeding disc (402). The seeding disc (402) is rotatably installed inside the housing (401). An installation sleeve (403) is fixedly installed inside the machine body (1). The housing (401) and the installation sleeve (403) are slidably connected. A seeding shaft (404) that is drivenly connected to the first rotating shaft (101) is rotatably installed inside the machine body (1). The seeding shaft (404) is rotatably disposed inside the installation sleeve (403). The seeding disc (402) and the seeding shaft (404) are connected by a spline. The seeding wheel (402) has several seed holes (405) evenly spaced around its periphery. The top of the outer shell (401) is connected to the flexible tube (201), and the bottom of the outer shell (401) is provided with a seed discharge port.

3. The buckwheat precision sowing, furrowing, and soil-covering device according to claim 2, characterized in that, A gearbox (7) is fixedly installed on the machine body (1). The input shaft of the gearbox (7) is connected to a first rotating shaft (101) for transmission. The output shaft of the gearbox (7) is connected to a sowing shaft (404) for transmission. A gear shift lever (701) is provided on the gearbox (7).

4. The buckwheat precision sowing, furrowing, and soil covering device according to claim 1, characterized in that, The mounting plate (3) located in the middle is fixedly connected to the machine body (1). A spacing adjustment mechanism (8) is fixedly installed on one end of the mounting plate (3) located in the middle, near the furrowing plow (5). The spacing adjustment mechanism (8) is used to synchronously adjust the spacing of the three mounting plates (3).

5. The buckwheat precision sowing, furrowing, and soil-covering device according to claim 4, characterized in that, The spacing adjustment mechanism (8) includes an adjustment box (801), which is fixedly installed on the mounting plate (3) located in the middle. An adjustment shaft (802) is rotatably installed inside the adjustment box (801). A gear (803) is fixedly installed on one end of the adjustment shaft (802) inside the adjustment box (801). Racks (804) are slidably installed on opposite sides inside the adjustment box (801). Both racks (804) mesh with the gears (803). One end of the rack (804) outside the adjustment box (801) is fixedly connected to the mounting plate (3) on the same side. The first worm gear (805) is fixedly installed on one end of the adjusting shaft (802) outside the adjusting box (801). The first adjusting rod (806) is rotatably installed on the top of the adjusting box (801) via a support. The end of the first adjusting rod (806) is fixedly connected to a first worm (807) that meshes with the first worm gear (805). A first handle is fixedly installed on the first adjusting rod (806).

6. The buckwheat precision sowing, furrowing, and soil-covering device according to claim 1, characterized in that, A lifting adjustment mechanism (9) is fixedly installed on the mounting plate (3) located in the middle. The lifting adjustment mechanism (9) is used to drive the soil covering mechanism (6) to lift relative to the machine body (1).

7. A buckwheat precision sowing, furrowing, and soil-covering device according to claim 6, characterized in that, The lifting adjustment mechanism (9) includes an outer sleeve (901) fixed at the rear end of the mounting plate (3) located in the middle. An inner sleeve (902) is threaded into the inner sleeve (901). The inner sleeve (902) is connected to the soil covering mechanism (6). A lifting seat (903) is provided on the top of the inner sleeve (902). Two connecting plates (904) are slidably inserted into the lifting seat (903). The outer ends of the connecting plates (904) are fixedly connected to the soil covering mechanism (6) on the same side. A second adjusting rod (905) is rotatably mounted on the top of the lifting seat (903) via a support. A second worm gear (906) is fixedly connected to the second adjusting rod (905). A second worm wheel (907) that meshes with the second worm gear (906) is fixedly mounted on the top of the inner sleeve (902). A second handle is fixedly mounted on the second adjusting rod (905). The bottom of each of the three mounting plates (3) is provided with a telescopic rod (601) that is connected to the soil covering mechanism (6).

8. The buckwheat precision sowing, furrowing, and soil-covering device according to claim 7, characterized in that, The soil covering mechanism (6) includes a telescopic rod (601) fixedly installed at the bottom of the mounting plate (3). A flat plate (602) is fixedly installed at the bottom of the telescopic rod (601). A vertical rod (603) is fixedly installed at the top of the flat plate (602). The top of the vertical rod (603) located in the middle is slidably inserted into the inner sleeve (902). Guide sleeves (301) are fixedly installed at the bottom of the mounting plate (3) located on both sides. The tops of the vertical rods (603) located on both sides are slidably inserted into the guide sleeves (301). The telescopic rod (601) is parallel to the vertical rod (603). A figure-eight soil covering plate (604) is fixedly installed at the bottom of the flat plate (602).

9. The buckwheat precision sowing, furrowing, and soil-covering device according to claim 1, characterized in that, The mounting plate (3) has a mounting hole (302) at the front end. A lifting rod (501) is slidably inserted into the mounting hole (302). The bottom end of the lifting rod (501) is fixedly connected to the ditching plow (5). An adjustment hole is provided on the side end of the mounting hole (302). Multiple positioning holes are provided at equal intervals on the lifting rod (501). A fixing bolt is provided in the adjustment hole. The fixing bolt passes through the positioning hole.

10. A method for sowing buckwheat, characterized in that, Using the buckwheat precision seeding, furrowing, and soil covering device as described in any one of claims 1 to 9, the method includes the following steps: S1. Add sufficient buckwheat seeds into the seed bin (2), connect the device to the tractor through the tractor head, and then pull the device to the field where buckwheat is to be sown through the tractor. S2. The plant is moved on the field by a tractor. The furrowing plow (5) opens a planting furrow on the field. The walking wheel (102) rotates, which drives the first rotating shaft (101) to rotate, which drives the seeder (4) to run and sow buckwheat seeds. The buckwheat seeds enter the planting furrow to achieve sowing. The soil covering mechanism (6) covers the buckwheat seeds in the planting trench with soil.

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