A seeder suitable for hilly and mountainous areas

Abstract

This invention discloses a seeder suitable for hilly and mountainous areas, comprising a base; a seeding roller rotatably connected to the top of the base; multiple seeding groups arranged in a circular array on the outer surface of the seeding roller; each seeding group including multiple seeding grooves; multiple adjusting plates slidably connected inside the seeding roller; an adjusting block slidably connected inside each seeding groove; adjusting discs rotatably connected to both sides of the seeding roller; multiple inclined first guide grooves evenly distributed in a circular array on the adjusting discs; a first cam follower adapted to the first guide grooves on the adjusting plate; an adjusting mechanism for driving the adjusting discs to rotate on the seeding roller; a baffle sleeve fitted on the outer side of the seeding roller; a storage box on the top of the baffle sleeve; a discharge port at the bottom of the storage box; a seeding port at the bottom of the baffle sleeve; and a driving mechanism on the base. This invention achieves adjustment of the number of seeds sown in a single operation through the cooperation of the adjusting mechanism, adjusting disc, first cam follower, first guide grooves, seeding roller, adjusting plates, and adjusting blocks.

Description

Technical Field

[0001] This invention relates to the field of agricultural machinery technology, and more specifically to a seeder suitable for hilly and mountainous areas. Background Technology

[0002] Hilly and mountainous areas have poor natural conditions, complex topography, fragmented and irregular plots, and numerous slopes, terraces, and ridges. Crop planting in hilly and mountainous areas is diversified, with inconsistent sowing times and highly individualized crop production operations. Traditional crop production relies entirely on manual labor, which can no longer meet current needs. To achieve scientific planting and improve economic efficiency, it is necessary to innovate all aspects of crop production, among which the sowing process directly affects crop growth and yield. Traditional manual sowing is simple, but inefficient and prone to seed waste.

[0003] Chinese invention patent CN118476353A discloses a mobile directional seeder for plant seeds in mountainous areas. The device includes a seeding plate and a fertilizer application plate, which is fixedly mounted to the side of the seeding plate by a fixing block. A seeding assembly is mounted on the seeding plate and consists of a drive mechanism, a seed hopper, and a quantitative dispensing mechanism. A fertilizer application assembly is mounted on the fertilizer application plate and consists of a fertilizer hopper, a moving mechanism, and a fertilization mechanism. This invention can fertilize around the sown seeds, ensuring uniform fertilization after sowing. It can also automatically disconnect the fertilizer hopper and the hose, ensuring no fertilizer is discharged when the fertilizer hose returns (not fertilizing around the sown seeds), effectively controlling fertilizer utilization, maximizing fertilizer resource conservation, and thus improving the sowing effect of the device.

[0004] However, although the technical solution of the above-mentioned patent can achieve quantitative seed output, it cannot adjust the number of seeds sown each time, and its practicality is poor.

[0005] Therefore, how to provide a seeder suitable for hilly and mountainous areas that can adjust the number of seeds sown is one of the technical problems that urgently need to be solved in this field. Summary of the Invention

[0006] In view of this, the present invention provides a seeder suitable for hilly and mountainous areas, with the aim of solving the problems existing in the prior art.

[0007] To solve the above-mentioned technical problems, the present invention adopts the following technical solution:

[0008] A seeder suitable for hilly and mountainous areas includes: a base; a seeding roller rotatably connected to the top of the base; multiple seeding groups arranged in a circular array on the outer surface of the seeding roller; each seeding group includes multiple seeding troughs arranged side by side; multiple adjusting plates slidably connected inside the seeding roller; the number of adjusting plates is the same as the number of seeding groups, and they are arranged in a one-to-one correspondence; an adjusting block is slidably connected inside each seeding trough; the adjusting block is connected to the corresponding adjusting plate; adjusting discs are rotatably connected to both the left and right sides of the seeding roller; multiple inclined first guide grooves are evenly distributed in a circular array on the adjusting discs; the number of first guide grooves is the same as the number of adjusting plates, and they are arranged in a one-to-one correspondence; a first cam follower adapted to the first guide groove is provided on the adjusting plate; an adjusting mechanism for driving the adjusting discs to rotate is provided on the seeding roller; a baffle is sleeved on the outer side of the seeding roller; a storage box is provided at the top of the baffle; a discharge port corresponding to the seeding trough is provided at the bottom of the storage box; a seeding port corresponding to the seeding trough is provided at the bottom of the baffle; and a driving mechanism for driving the seeding roller to rotate is provided on the base.

[0009] Preferably, the adjusting mechanism includes gears, an external gear ring, and a rotating shaft; the rotating shaft is rotatably connected inside the sowing roller; both ends of the rotating shaft are provided with gears; an external gear ring is provided on the outer side of each adjusting disc; each gear meshes with a corresponding external gear ring; a handle is provided on one gear, and a through hole is opened on the gear; a positioning post is inserted into the through hole; a plurality of positioning holes adapted to the positioning posts are distributed in a circular array on the sowing roller.

[0010] Preferably, the drive mechanism includes a first motor, a chain, and two sprockets; the first motor is disposed on the top of the base; a sprocket is provided at the output end of the first motor and at one end of the seeding roller; the two sprockets are connected by the chain.

[0011] Preferably, the base has first guide rods on both the front and rear sides of its bottom; multiple furrowing plates are slidably connected to one of the first guide rods; the number of furrowing plates is the same as the number of sowing troughs in each sowing group, and they are arranged in a one-to-one correspondence; multiple covering plates are slidably connected to another of the first guide rods; the number of covering plates is the same as the number of sowing troughs in each sowing group, and they are arranged in a one-to-one correspondence; each sowing port is provided with a connecting hose; the other end of the connecting hose is provided with a sowing tube; an installation block is sleeved on the outside of the sowing tube; the installation block is connected to the corresponding furrowing plate and the covering plate through a connecting rod; the base is provided with a distance adjustment mechanism for adjusting the distance between each furrowing plate and the distance between each covering plate.

[0012] Preferably, the adjusting mechanism includes brackets symmetrically arranged on the front and rear sides of the top of the base; the brackets are provided with slide rails; the slide rails are provided with multiple sliders; the number of sliders is the same as the number of sowing troughs in each sowing group, and they are arranged in a one-to-one correspondence; a drive plate is provided on the side of the slider away from the slide rail; an adjusting plate is provided on the side of the drive plate away from the slider; multiple second guide grooves are provided on the adjusting plate; the number of second guide grooves is the same as the number of sliders, and they are arranged in a one-to-one correspondence; one second guide groove is vertically arranged in the middle of the adjusting plate; the remaining second guide grooves are inclinedly arranged on both sides of the vertically arranged second guide groove; a second cam follower is provided in the second guide groove; the second cam follower is connected to the corresponding drive plate; a drive block is provided at the bottom of the drive plate; the drive block is slidably sleeved on the corresponding first guide rod; the trenching plate and the soil covering plate are arranged at the bottom of the corresponding drive block; the drive block is connected to the corresponding mounting block through the connecting rod; the brackets are provided with a drive assembly for driving the adjusting plate to move up and down.

[0013] Preferably, the drive assembly includes two lead screws; the two lead screws are symmetrically arranged on the left and right sides of the bracket; one end of the lead screw is rotatably connected to the top of the bracket, and the other end of the lead screw is rotatably connected to the top of the base; a moving block is threaded onto the lead screw; the moving block is connected to the adjusting plate; a first synchronous pulley is provided on the lead screw; the first synchronous pulleys on the two lead screws are connected by a first synchronous belt.

[0014] Preferably, the two drive components are connected by a transmission component; the transmission component includes a second synchronous belt and two second synchronous pulleys; the two second synchronous pulleys are respectively disposed on two lead screws located on the same side of the two drive components; the two second synchronous pulleys are connected by the second synchronous belt.

[0015] Preferably, each of the two brackets is provided with a mounting plate; the mounting plate is fixedly connected to the top of the corresponding bracket by a column; a second motor is provided on the top of one of the mounting plates; the output end of the second motor is connected to a lead screw.

[0016] Preferably, the base is provided with wheels at the bottom; the outer surface of the wheels is evenly distributed with external teeth.

[0017] Preferably, the base is provided with a traction frame.

[0018] Compared with the prior art, the present invention achieves the following technical effects: The present invention drives the adjustment plate to rotate through the adjustment mechanism, so that the first cam follower moves along the diameter direction of the sowing roller under the drive of the first guide groove. The first cam follower drives the adjustment plate to move along the diameter direction of the sowing roller. The adjustment plate drives the adjustment block to move in the sowing trough, thereby realizing the adjustment of the size of the material storage space inside the sowing trough, thereby controlling the number of seeds falling into the sowing trough each time, and thus realizing the adjustment of the number of seeds sown in a single time. Attached Figure Description

[0019] Figure 1 This is a first-view perspective view of a seeder suitable for hilly and mountainous areas according to the present invention.

[0020] Figure 2 for Figure 1 A magnified view of part A in the middle;

[0021] Figure 3 This is a perspective view of a seeder suitable for hilly and mountainous areas according to the present invention, from a second perspective.

[0022] Figure 4 This is a three-dimensional view from a third-person perspective of a seeder suitable for hilly and mountainous areas according to the present invention.

[0023] Figure 5 Schematic diagrams showing the connections of the seeding roller, storage box, connecting hose, and seeding tube;

[0024] Figure 6 This is a magnified view of a portion of the seeding roller, adjusting disc, external gear ring, and gear connection.

[0025] Figure 7 This is an internal cross-sectional view of the seeding roller and baffle section;

[0026] Figure 8 This is a schematic diagram of a seeding roller;

[0027] Figure 9 This is a schematic diagram of the adjusting mechanism;

[0028] In the diagram: 1. Base; 2. Seeding roller; 3. Seeding trough; 4. Adjustment plate; 5. Adjustment block; 6. Adjustment disc; 7. First guide groove; 8. First cam follower; 9. Baffle; 10. Storage box; 11. Discharge port; 12. Seeding port; 13. Gear; 14. External gear ring; 15. Rotating shaft; 16. Handle; 17. First motor; 18. Chain; 19. Sprocket; 20. First guide rod; 21. Furrowing plate; 22. Covering plate; 23. Connecting hose; 24. Seeding tube; 25. Mounting block; 26. Support; 27. Slide 28. Rail; 29. ​​Slider; 30. Drive plate; 31. Adjusting plate; 32. Second guide groove; 33. Second cam follower; 34. Drive block; 35. Lead screw; 36. Moving block; 37. First synchronous belt pulley; 38. First synchronous belt; 39. Second synchronous belt pulley; 40. Mounting plate; 41. Column; 42. Second motor; 43. Wheel; 44. External gear; 45. Traction frame; 46. Positioning column; 47. Connecting rod; 48. Vertical plate; 49. Connecting frame; 50. Second guide rod; 51. Slide groove. Detailed Implementation

[0029] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0030] Example

[0031] Reference Figure 1-9As shown, this invention discloses a seeder suitable for hilly and mountainous areas, comprising: a base 1; vertical plates 48 symmetrically arranged on the left and right sides of the top of the base 1; a seeding roller 2 arranged above the base 1; the left and right sides of the seeding roller 2 are respectively rotatably connected to the two vertical plates 48; multiple seeding groups are arranged in a circular array on the outer surface of the seeding roller 2; each seeding group includes multiple seeding troughs 3 arranged side by side; multiple adjusting plates 4 are slidably connected inside the seeding roller 2; the number of adjusting plates 4 is the same as the number of seeding groups, and they are arranged in a one-to-one correspondence; an adjusting block 5 is slidably connected inside each seeding trough 3; the adjusting block 5... The seeding roller 2 is connected to the corresponding adjusting plate 4; adjusting discs 6 are rotatably connected to both sides of the seeding roller 2; multiple inclined first guide grooves 7 are evenly distributed in a ring on the adjusting disc 6; the number of first guide grooves 7 is the same as that of the adjusting plate 4, and they are arranged one-to-one; the adjusting plate 4 is provided with a first cam follower 8 that matches the first guide groove 7; the seeding roller 2 is provided with an adjusting mechanism that drives the adjusting disc 6 to rotate; a baffle 9 is sleeved on the outside of the seeding roller 2; a storage box 10 is provided on the top of the baffle 9; the bottom of the storage box 10 is provided with a discharge port 11 corresponding to the seeding trough 3, and the discharge port 11 is aligned with the baffle 9. The bottom of the baffle 9 is provided with a sowing port 12 corresponding to the sowing trough 3; the base 1 is provided with a drive mechanism for driving the sowing roller 2 to rotate; before use, the seeds are loaded into the storage box 10, and the adjustment mechanism drives the adjustment plate 6 to rotate. Since the adjustment plate 6 is provided with a first guide groove 7, and the first guide groove 7 is provided with a first cam follower 8, during the rotation of the adjustment plate 6, the first cam follower 8 moves inward or outward along the diameter direction of the sowing roller 2 under the drive of the first guide groove 7. The first cam follower 8 drives the adjusting plate 4 along the diameter direction of the sowing roller 2. The adjusting plate 4 moves in the diameter direction, driving the adjusting block 5 to move within the sowing trough 3, thereby adjusting the size of the storage space inside the sowing trough 3, thus controlling the number of seeds falling into the sowing trough 3 each time, and thus adjusting the number of seeds sown in a single operation. During the movement of the seeder, the driving mechanism drives the sowing roller 2 to rotate. When the sowing trough 3 on the sowing roller 2 is connected to the discharge port 11 on the storage box 10, the seeds in the storage box 10 enter the sowing trough 3, and with the rotation of the sowing roller 2, the seeds in the sowing trough 3 are discharged through the sowing port at the bottom of the baffle 9 and fall into the ground, completing the sowing.

[0032] In this embodiment, the sowing roller 2 has multiple sliding grooves 51 that pass through the left and right sides of the sowing roller 2; the number of sliding grooves 51 is the same as the number of sowing groups, and they are set one to one; the adjustment plate 4 is slidably connected to the corresponding sliding groove 51.

[0033] In this embodiment, connecting frames 49 are symmetrically provided on the front and rear sides of the seeding roller 2; the connecting frames 49 are fixedly connected to the top of the base 1; the baffle 9 and the storage box 10 are both connected to the connecting frames 49.

[0034] In this embodiment, the adjustment mechanism includes a gear 13, an external gear ring 14, and a rotating shaft 15. The rotating shaft 15 is rotatably connected to the sowing roller 2. Gears 13 are provided at both ends of the rotating shaft 15. An external gear ring 14 is provided on the outer side of each adjustment disc 6. Each gear 13 meshes with the corresponding external gear ring 14. A handle 16 is provided on one gear 13, and a through hole is opened on the gear 13. A positioning post 46 is inserted into the through hole. The sowing roller 2 is provided with multiple positioning holes that are adapted to the positioning post 46. The multiple positioning holes are arranged in a ring array around the rotating shaft 15. In use, the handle 16 drives the gear 13 connected to it to rotate. The gear 13 drives another gear 13 to rotate through the rotating shaft 15. The two gears 13 drive the two adjustment discs 6 to rotate through the external gear ring 14. The adjustment disc 6 drives the adjustment plate 4 to move along the inside of the slide groove to a suitable position through the first guide groove 7 and the first cam follower 8. Then, the positioning post 46 is inserted into the positioning hole to fix the gear 13.

[0035] In this embodiment, the positioning hole is provided with an internal thread; the outer surface of the positioning post 46 is provided with an external thread that matches the internal thread; the positioning post 46 is threadedly connected to the positioning hole.

[0036] In this embodiment, the drive mechanism includes a first motor 17, a chain 18, and two sprockets 19. The first motor 17 is located on the top of the base 1. A sprocket 19 is provided at the output end of the first motor 17 and at one end of the seeding roller 2. The two sprockets 19 are connected by the chain 18. In use, the first motor 17 drives the seeding roller 2 to rotate through the chain 18 and the sprockets 19.

[0037] In this embodiment, the base 1 has first guide rods 20 on both the front and rear sides of its bottom; each of the first guide rods 20 has a first fixing plate at both ends; the first fixing plate is fixedly connected to the bottom of the base 1; multiple furrowing plates 21 are slidably connected to one of the first guide rods 20; the number of furrowing plates 21 is the same as the number of sowing troughs 3 in each sowing group, and they are set one-to-one; multiple covering plates 22 are slidably connected to another first guide rod 20; the number of covering plates 22 is the same as the number of sowing troughs 3 in each sowing group, and they are set one-to-one; each sowing port 12 has a connecting hose 23; the other end of the connecting hose 23 has a sowing tube 24; an installation block 25 is sleeved on the outside of the sowing tube 24; the installation block 25 is connected to the corresponding furrowing plate 21 and covering plate 22 through a connecting rod 47; the base 1 is provided with a... An adjustment mechanism for adjusting the spacing between each furrowing plate 21 and each covering plate 22; during use, the adjustment mechanism drives the furrowing plate 21 and the covering plate 22 to move, adjusting the spacing between each furrowing plate 21 and each covering plate 22. During this process, the furrowing plate 21 and the covering plate 22 drive the mounting block 25 to move synchronously through the connecting rod 47. The mounting block 25 drives the seeding tube 24 to move with the furrowing plate 21 and the covering plate 22, so that the seeding tube is always aligned with the furrowing plate 21 and the covering plate 22. During the sowing process, the furrowing plate 21 opens furrows as the seeder moves. The seeds in the sowing trough 3 enter the sowing tube 24 through the connecting hose 23 and fall into the furrow opened by the furrowing plate 21. Then the covering plate covers the furrows after sowing with soil, realizing the sowing operation.

[0038] In this embodiment, the base 1 is provided with a clearance groove that runs through the upper and lower end faces of the base 1, so that the connecting hose 23 can pass through and move within the clearance groove.

[0039] In this embodiment, the adjustment mechanism includes brackets 26 symmetrically arranged on the front and rear sides of the top of the base 1; each bracket 26 is provided with a slide rail 27 on the side away from the sowing roller 2; multiple sliders 28 are provided on the slide rail 27; the number of sliders 28 is the same as the number of sowing troughs 3 in each sowing group, and they are arranged in a one-to-one correspondence; a drive plate 29 is provided on the side of the slider 28 away from the slide rail 27; an adjustment plate 30 is provided on the side of the drive plate 29 away from the slider 28; multiple second guide grooves 31 are provided on the adjustment plate 30; the number of second guide grooves 31 is the same as the number of sliders 28, and they are arranged in a one-to-one correspondence; one second guide groove 31 is vertically arranged in the middle of the adjustment plate 30; the remaining second guide grooves 31 are inclinedly arranged on both sides of the vertically arranged second guide groove 31; a second cam follower 32 is provided in the second guide groove 31; the second cam follower 32 is connected to the corresponding drive plate 29; the bottom of the drive plate 29 A drive block 33 is provided; the drive block 33 is slidably sleeved on the corresponding first guide rod 20; the furrowing plate 21 and the soil covering plate 22 are set at the bottom of the corresponding drive block 33; the drive block 33 is connected to the corresponding mounting block 25 through the connecting rod 47; the bracket 26 is provided with a drive assembly for driving the adjustment plate 30 to move up and down; in use, the drive assembly drives the adjustment plate 30 to move up and down, and the adjustment plate 30 drives the other drive plates 29 except the middle drive plate 29 to move through the second guide groove 31 and the second cam follower 32, so that the drive plates 29 on both sides move closer or further away from the middle drive plate 29 at equal intervals. The drive plates 29 drive the furrowing plate 21 and the soil covering plate 22 to move closer or further away at equal intervals through the drive block 33. The drive block 33 drives the sowing tube 24 to move closer or further away at equal intervals through the connecting rod 47 and the mounting block 25, thereby realizing the adjustment of the sowing spacing.

[0040] In this embodiment, the drive assembly includes two lead screws 34; the two lead screws 34 are symmetrically arranged on the left and right sides of the bracket 26; one end of the lead screw 34 is rotatably connected to the top of the bracket 26, and the other end of the lead screw 34 is rotatably connected to the top of the base 1; a moving block 35 is threaded onto the lead screw 34; the moving block 35 is connected to the adjusting plate 30; a first synchronous pulley 36 is provided on the lead screw 34; the first synchronous pulleys 36 on the two lead screws 34 are connected by a first synchronous belt 37; in use, rotating one lead screw 34 will cause the other lead screw 34 to rotate simultaneously through the first synchronous pulley 36 and the first synchronous belt 37, the lead screw 34 will drive the moving block 35 to move up and down, and the moving block 35 will drive the adjusting plate 30 to move up and down.

[0041] In this embodiment, the two drive components are connected by a transmission component. The transmission component includes a second synchronous belt 38 and two second synchronous pulleys 39. The two second synchronous pulleys 39 are respectively disposed on two lead screws 34 located on the same side of the two drive components. The two second synchronous pulleys 39 are connected by the second synchronous belt 38. In use, rotating one of the two lead screws 34 connected to the transmission component causes the other lead screw 34 connected to the transmission component to rotate via the second synchronous belt 38 and the second synchronous pulleys 39. Simultaneous rotation of all lead screws 34 is achieved through the first synchronous pulley 36 and the first synchronous belt 37.

[0042] In this embodiment, each of the two brackets 26 is provided with a mounting plate 40; the mounting plate 40 is fixedly connected to the top of the corresponding bracket 26 by a column 41; a second motor 42 is provided on the top of one mounting plate 40; the output end of the second motor 42 is connected to a lead screw 34; in use, the lead screw 34 is driven to rotate by the second motor 42.

[0043] In this embodiment, the bottom of the base 1 is provided with a wheel 43; the outer surface of the wheel 43 is evenly distributed with external teeth 44.

[0044] In this embodiment, a traction frame 45 is provided on the base 1 for connecting with agricultural machinery such as tractors.

[0045] In this embodiment, the number of seeding troughs 3 in each seeding group is N, and N is an odd number greater than 1; specifically, N is 5.

[0046] In this embodiment, a second guide rod 50 is provided on both the left and right sides of the mounting block 25; the second guide rod 50 passes through the mounting block 25; the mounting block 25 and the second guide rod 50 are slidably arranged relative to each other; a second fixing plate is provided at both ends of the second guide rod 50; the second fixing plate is fixedly connected to the bottom of the base 1.

[0047] In this embodiment, the driving block 33 is provided with a first guide hole that is adapted to the first guide rod 20; the driving block 33 is slidably connected to the first guide rod 20 through the first guide hole; a plurality of limiting blocks are distributed in a ring array on the outer side of the first guide rod 20; and a limiting groove adapted to the limiting block is provided on the inner wall of the first guide hole.

[0048] The above description is merely a preferred embodiment of the present invention and does not constitute any limitation on the technical scope of the present invention. Therefore, any minor modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of the present invention shall still fall within the scope of the technical solution of the present invention.

Claims

1. A seeder suitable for hilly and mountainous areas, characterized in that, include: A base (1); a seeding roller (2) is rotatably connected to the top of the base (1); multiple seeding groups are arranged in a ring array on the outer surface of the seeding roller (2); each seeding group includes multiple seeding troughs (3) arranged side by side; multiple adjusting plates (4) are slidably connected inside the seeding roller (2); the number of adjusting plates (4) is the same as the number of seeding groups, and they are arranged in a one-to-one correspondence; an adjusting block (5) is slidably connected inside each seeding trough (3); the adjusting block (5) is connected to the corresponding adjusting plate (4); an adjusting disc (6) is rotatably connected to both the left and right sides of the seeding roller (2); multiple inclined first guide grooves (7) are evenly distributed in a ring on the adjusting disc (6); The number of the first guide groove (7) is the same as that of the adjustment plate (4), and they are arranged in a one-to-one correspondence; the adjustment plate (4) is provided with a first cam follower (8) adapted to the first guide groove (7); the seeding roller (2) is provided with an adjustment mechanism for driving the adjustment plate (6) to rotate; a baffle (9) is sleeved on the outside of the seeding roller (2); a storage box (10) is provided on the top of the baffle (9); a discharge port (11) corresponding to the seeding groove (3) is provided at the bottom of the storage box (10); a seeding port (12) corresponding to the seeding groove (3) is provided at the bottom of the baffle (9); and a driving mechanism for driving the seeding roller (2) to rotate is provided on the base (1). The base (1) has a first guide rod (20) on both the front and rear sides of the bottom; a plurality of furrowing plates (21) are slidably connected to one of the first guide rods (20); the number of furrowing plates (21) is the same as the number of sowing troughs (3) in each sowing group, and they are set one-to-one; a plurality of covering plates (22) are slidably connected to another first guide rod (20); the number of covering plates (22) is the same as the number of sowing troughs (3) in each sowing group, and they are set one-to-one; a connecting hose (23) is provided on each sowing port (12); a sowing tube (24) is provided at the other end of the connecting hose (23); an installation block (25) is sleeved on the outside of the sowing tube (24); the installation block (25) is connected to the corresponding furrowing plate (21) and the covering plate (22) through a connecting rod (47); the base (1) is provided with a distance adjustment mechanism for adjusting the distance between each furrowing plate (21) and the distance between each covering plate (22); The adjustment mechanism includes brackets (26) symmetrically arranged on the front and rear sides of the top of the base (1); a slide rail (27) is provided on the brackets (26); multiple sliders (28) are provided on the slide rail (27); the number of sliders (28) is the same as the number of seeding troughs (3) in each seeding group, and they are arranged in a one-to-one correspondence; a drive plate (29) is provided on the side of the slider (28) away from the slide rail (27); an adjustment plate (30) is provided on the side of the drive plate (29) away from the slider (28); multiple second guide grooves (31) are provided on the adjustment plate (30); the number of second guide grooves (31) is the same as the number of sliders (28), and they are arranged in a one-to-one correspondence; one second guide groove (31) is vertically arranged in the middle of the adjustment plate (30). The remaining second guide grooves (31) are inclinedly arranged on both sides of the vertically arranged second guide groove (31); a second cam follower (32) is provided in the second guide groove (31); the second cam follower (32) is connected to the corresponding drive plate (29); a drive block (33) is provided at the bottom of the drive plate (29); the drive block (33) is slidably sleeved on the corresponding first guide rod (20); the trenching plate (21) and the soil covering plate (22) are arranged at the bottom of the corresponding drive block (33); the drive block (33) is connected to the corresponding mounting block (25) through the connecting rod (47); the bracket (26) is provided with a drive assembly for driving the adjustment plate (30) to move up and down.

2. A seeder suitable for hilly and mountainous areas according to claim 1, characterized in that, The adjustment mechanism includes a gear (13), an outer gear ring (14), and a rotating shaft (15); the rotating shaft (15) is rotatably connected to the sowing roller (2); the gear (13) is provided at both ends of the rotating shaft (15); an outer gear ring (14) is provided on the outer side of each adjustment disc (6); each gear (13) meshes with the corresponding outer gear ring (14); a handle (16) is provided on one gear (13), and a through hole is opened on the gear (13); a positioning post (46) is inserted into the through hole; a plurality of positioning holes that are adapted to the positioning post (46) are distributed in a ring array on the sowing roller (2).

3. A seeder suitable for hilly and mountainous areas according to claim 1, characterized in that, The drive mechanism includes a first motor (17), a chain (18) and two sprockets (19); the first motor (17) is located on the top of the base (1); the output end of the first motor (17) and one end of the seeding roller (2) are each provided with a sprocket (19); the two sprockets (19) are connected by the chain (18).

4. A seeder suitable for hilly and mountainous areas according to claim 1, characterized in that, The drive assembly includes two lead screws (34); the two lead screws (34) are symmetrically arranged on the left and right sides of the bracket (26); one end of the lead screw (34) is rotatably connected to the top of the bracket (26), and the other end of the lead screw (34) is rotatably connected to the top of the base (1); a moving block (35) is threaded onto the lead screw (34); the moving block (35) is connected to the adjusting plate (30); a first synchronous pulley (36) is provided on the lead screw (34); the first synchronous pulleys (36) on the two lead screws (34) are connected by a first synchronous belt (37).

5. A seeder suitable for hilly and mountainous areas according to claim 4, characterized in that, The two drive components are connected by a transmission component; the transmission component includes a second synchronous belt (38) and two second synchronous pulleys (39); the two second synchronous pulleys (39) are respectively disposed on two lead screws (34) located on the same side of the two drive components; the two second synchronous pulleys (39) are connected by the second synchronous belt (38).

6. A seeder suitable for hilly and mountainous areas according to claim 5, characterized in that, Each of the two brackets (26) is provided with a mounting plate (40); the mounting plate (40) is fixedly connected to the top of the corresponding bracket (26) by a column (41); a second motor (42) is provided on the top of one of the mounting plates (40); the output end of the second motor (42) is connected to a lead screw (34).

7. A seeder suitable for hilly and mountainous areas according to claim 1, characterized in that, The base (1) is provided with a wheel (43) at the bottom; the outer surface of the wheel (43) is evenly distributed with external teeth (44).

8. A seeder suitable for hilly and mountainous areas according to claim 1, characterized in that, The base (1) is provided with a traction frame (45).

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