Soil raking and deep sowing seeder

Abstract

The utility model belongs to the technical field of agricultural planting, in particular to a harrowing and deep-sowing seeder, and aims to solve the problems of poor seedling emergence of crops and the like caused by over-loose and drought surface soil after rotary tillage of an existing mini-tiller, the following scheme is provided: the harrowing and deep-sowing seeder comprises a base, the top of the base is provided with a first through hole and two second through holes, and the first through hole is communicated with the second through hole; four wheels are rotationally arranged at the bottom of the base and are used for moving the seeding machine; the soil-raking and deep-sowing seeder comprises a base and further comprises three harrow ploughs, the three harrow ploughs penetrate through the base through first through holes, the three harrow ploughs are used for raking soil to be sown in advance, and the soil-raking and deep-sowing seeder integrates the two steps of soil raking and deep-sowing, so that multi-functionalization of the seeder is achieved, the requirement for deep ploughing and sowing of crops is met, and the soil-raking and deep-sowing seeder is suitable for popularization and application. Through the lifting assembly and the adjusting assembly, the height of the rake plow and the distance between the seeders can be accurately adjusted, and the uniformity of the seeding depth and the distance is ensured, so that the seeding quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural planting, in particular to a soil harrowing and deep sowing seeder. Background Art

[0002] In modern agricultural production, sowing is one of the key steps in crop planting. With the advancement of technology, people mostly use seeders to assist in the sowing of crops, but the existing seeders still have the following problems in use:

[0003] In existing agricultural work, after the land is rotary tilled by a micro-tillage machine, the soil on the surface will be too loose and dry. Direct sowing will easily lead to poor germination, which is not conducive to the progress of agricultural work.

[0004] In view of the above problems, the utility model document proposes a soil harrowing and deep sowing seeder. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art that after rotary tillage by a micro-tillage machine, the surface soil is too loose and dry, resulting in poor crop emergence, and a soil harrowing and deep sowing seeder is proposed.

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

[0007] A soil harrowing and deep sowing seeder, comprising:

[0008] A base, wherein a first through hole and two second through holes are formed on the top of the base, and four wheels are rotatably provided on the bottom of the base for moving the seeder;

[0009] It also includes three harrows, each of which passes through the base through the first through hole, and is used to harrow the soil to be sown in advance;

[0010] It also includes three seeders, a plurality of which penetrate the base, a plurality of which are provided with a storage cavity and a discharge cavity inside, the storage cavity is used to store seeds, the storage cavity is located above the discharge cavity, and the storage cavity is connected with the discharge cavity, a feed port is provided at the top of the seeder and is connected with the storage cavity, and a discharge port is provided at the bottom of the seeder and is connected with the discharge cavity;

[0011] Also included is a lifting assembly, the lifting assembly is used to achieve height adjustment of the three harrow plows;

[0012] Also included is an adjustment component, the adjustment component is used to adjust the spacing between the three harrows and the three seed drills;

[0013] It also includes a discharging component, which is used to achieve the discharging of seeds at intervals.

[0014] In a possible design, the lifting assembly includes a fixed block fixedly mounted on the tops of the three harrows, the three fixed blocks pass through the same connecting frame, wherein the fixed block in the middle is fixedly connected to the connecting frame, and the fixed blocks on both sides are slidably connected to the connecting frame, two guide rods are fixedly mounted on the top of the base, one end of the two guide rods slides through the connecting frame, one side of the three fixed blocks is fixedly mounted with a connecting rod, one side of the three seeders is fixedly mounted with two L-shaped clips, wherein the two L-shaped clips on the side of the same seeder cooperate with each other and are slidably connected to adjacent connecting rods, a support frame is fixedly mounted on the top of the base, a motor is fixedly mounted on the top of the support frame, one end of the output shaft of the motor is fixedly connected with a lifting screw, one end of the lifting screw rotates through the support frame and is rotatably connected to the top of the base, and the support frame is threadedly connected to the connecting rod in the middle.

[0015] In a possible design, the adjustment assembly includes a double-threaded screw that rotates and penetrates the connecting frame, the fixed block located in the middle is rotatably connected to the double-threaded screw, the fixed blocks located on both sides are threadedly connected to the double-threaded screw, and the two fixed blocks are respectively located on two opposite threads of the double-threaded screw, the seeder located in the middle is fixedly connected to the base, and the seeders located on both sides penetrate the base through the second through hole and are slidably connected to the inner wall of the second through hole, so as to realize the synchronous horizontal movement of the seeder and the harrow.

[0016] In one possible design, the discharging assembly includes a second rotating shaft that rotates and passes through the seeder, and a plurality of discharging blades are fixedly installed on the outer wall of the second rotating shaft, and the plurality of discharging blades are all located in the discharging cavity, and the plurality of discharging blades are used to limit the discharge of seeds, and a connecting gear is fixedly installed on one end of the second rotating shaft, and the connecting gear is located outside the seeder, and a first rotating shaft is rotatably provided on the top of the base through a bracket, and two gear shafts are fixedly sleeved on the outer wall of the first rotating shaft, and the plurality of connecting gears are all meshed with adjacent gear shafts, and a driving box is fixedly installed on the top of the base, and a second synchronous wheel is fixedly installed on the outer wall of the first rotating shaft, and the second synchronous wheel and the output shaft of the driving box are connected by a synchronous belt drive.

[0017] In a possible design, the multiple wheels cooperate with each other in pairs, and the same transmission shaft is fixedly installed between two corresponding wheels. A first synchronous wheel is fixedly installed on the outer wall of the transmission shaft of an adjacent drive box. The first synchronous wheel is connected to the output shaft of the drive box through another synchronous belt transmission to provide power for the movement of the seeder.

[0018] In one possible design, a baffle is fixedly installed at the bottom of the base, the baffle is located between multiple harrows and multiple seeders, and the side of the baffle facing the seeder has a certain degree of curvature to prevent the discharge port of the seeder from being blocked by soil splashed during the raking process.

[0019] In a possible design, a push-pull handle is fixedly mounted on the top of the base to enable the user to control the seed drill.

[0020] In the present application, when in use, the user can first move the seeder to the field, and then the user needs to load the seeds to be sown into the three seeders respectively, and then the user can start the drive box to drive the seeder to move forward; when the seeder is working, the three harrows in front of it can rake the topsoil to make the moister soil deep in the soil leak out, and then the seeder will discharge the seeds at intervals as the seeder moves forward, so that they fall evenly into the furrows raked by the harrows; when the drive box drives the seeder forward, the drive box will also synchronously drive the first rotating shaft to rotate, and the two gear shafts on the first rotating shaft will drive the connecting gears on the outer walls of multiple seeders to rotate synchronously, thereby driving the multiple discharging blades inside the seeder to rotate, and when the discharging blades are stationary in the discharge cavity, they can prevent the seeds in the storage cavity from falling, and when the multiple discharging blades rotate, they will intermittently Part of the seeds are pulled out to complete the uniform sowing of the seeds; when the user needs to change the depth of the rakes of multiple harrows, the user can start the motor, and the motor can drive the middle connecting rod to adjust the height. At the same time, under the restrictions of the connecting frame and the fixed block, the connecting rod will drive the three harrows to move synchronously, thereby realizing the height adjustment of the three harrows; when the user needs to adjust the sowing spacing, the user can turn the double-threaded screw through the handwheel, and the double-threaded screw can drive the harrows on both sides to move away from or close to the middle harrow, and when the harrows on both sides move, they will also drive the corresponding seeders to move synchronously through the corresponding connecting rods, thereby completing the adjustment of the distance between the three seeders, and through the design of the connecting rod, it can be ensured that the harrow and the corresponding seeder are always kept in the same straight line, ensuring that the seeds can be sown in the raked furrows, ensuring a good sowing effect.

[0021] Beneficial effects:

[0022] In the utility model, the soil harrowing and deep sowing seeder realizes the multifunctionality of the seeder by integrating the two steps of soil harrowing and deep sowing, greatly reduces the labor intensity and time cost of farmers, improves the sowing efficiency, is conducive to meeting the needs of deep ploughing and sowing of crops, and is conducive to the planting of crops;

[0023] In the utility model, the harrowing and deep sowing seeder can realize accurate adjustment of the harrowing height and the spacing between the sowing devices through the lifting component and the adjusting component, thereby ensuring the uniformity of the sowing depth and spacing, thereby improving the sowing quality, being suitable for sowing requirements of different depths and spacings, and being widely used in the sowing operations of various crops, and having strong adaptability and practicality;

[0024] In the utility model, the harrowing and deep sowing seeder realizes the multifunctionality of the seeder by integrating the two steps of harrowing and deep sowing, which is beneficial to meeting the needs of deep plowing and sowing of crops, and through the lifting component and the adjustment component, the harrowing height and the spacing between the seeders can be accurately adjusted to ensure the uniformity of the sowing depth and spacing, thereby improving the sowing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional structural schematic diagram of a soil harrowing and deep sowing seeder proposed by the utility model;

[0026] Figure 2 This is a schematic diagram of the base structure of a soil harrowing and deep sowing seeder proposed by the utility model;

[0027] Figure 3 This is a schematic diagram of the driving box connection structure of a soil harrowing deep sowing seeder proposed by the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of a harrow and a seeder of a soil harrowing and deep sowing seeder proposed by the utility model;

[0029] Figure 5 This is a schematic diagram of the external structure of a seeder of a soil harrowing deep sowing seeder proposed by the utility model;

[0030] Figure 6 The utility model discloses a schematic diagram of the cross-sectional structure of a seeder of a soil harrowing deep sowing seeder.

[0031] In the figure: 1. base; 2. harrow; 3. seeder; 4. wheel; 5. support frame; 6. motor; 7. lifting screw; 8. first through hole; 9. guide rod; 10. second through hole; 11. drive box; 12. first synchronous wheel; 13. second synchronous wheel; 14. first rotating shaft; 15. gear shaft; 16. connecting frame; 17. double-threaded screw; 18. fixing block; 19. connecting rod; 20. L-shaped clamping strip; 21. second rotating shaft; 22. connecting gear; 23. discharging blade; 24. storage chamber; 25. discharging chamber; 26. baffle; 27. push-pull handle. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0033] Example 1

[0034] Reference Figure 1-6 , a soil harrowing and deep sowing seeder, comprising: a base 1, a harrowing plow 2, a seeder 3, a lifting component, an adjusting component and a discharging component;

[0035] A first through hole 8 and two second through holes 10 are provided at the top of the base 1, and four wheels 4 are provided at the bottom to realize the movement of the seeder. Three harrows 2 pass through the base 1 through the first through hole 8, and are used to harrow the soil to be sown in advance. Three seeders 3 pass through the base 1 through the second through holes 10. A storage chamber 24 and a discharge chamber 25 are provided inside each seeder 3. The storage chamber 24 is used to store seeds, and the discharge chamber 25 is used to discharge seeds. A feed port is provided at the top of the seeder 3 and is connected to the storage chamber 24, and a discharge port is provided at the bottom and is connected to the discharge chamber 25.

[0036] The lifting assembly is mainly composed of a fixed block 18, a connecting frame 16, a guide rod 9, a connecting rod 19, a support frame 5, a motor 6 and a lifting screw 7. The fixed block 18 is fixedly installed on the top of the harrow 2, wherein the fixed block 18 in the middle is fixedly connected to the connecting frame 16, and the fixed blocks 18 on both sides are slidably connected to the connecting frame 16. The guide rod 9 slides through the connecting frame 16 to provide a stable guiding effect. A plurality of connecting rods 19 are respectively fixedly connected to the corresponding fixed blocks 18 and are slidably connected to the two L-shaped clips 20 on one side of the corresponding seeder 3. The support frame 5 is fixedly installed on the top of the base 1, and the motor 6 is fixedly installed on the top of the support frame 5, and its output shaft is connected to the lifting screw 7, and the lifting screw 7 is threadedly connected to the connecting rod 19 in the middle, and the overall lifting function is realized by the drive of the motor 6.

[0037] The adjustment component is mainly composed of a double-threaded screw 17, which rotates and penetrates the connecting frame 16. The fixed block 18 in the middle is rotatably connected to the double-threaded screw 17, and the fixed blocks 18 on both sides are threadedly connected to the double-threaded screw 17. The fixed blocks 18 on both sides are respectively located on two opposite threads of the double-threaded screw 17, and the connecting rod 19 is connected. The harrow 2 on both sides can drive the corresponding seeder 3 to move synchronously when moving. Therefore, the user can adjust the distance between the harrow 2 and the seeder 3 on both sides by rotating the double-threaded screw 17.

[0038] The discharging assembly is mainly composed of multiple second rotating shafts 21, multiple discharging blades 23, multiple connecting gears 22, a first rotating shaft 14, two gear shafts 15, a driving box 11 and a second synchronous wheel 13. The second rotating shaft 21 rotates and passes through the seeder 3, and multiple discharging blades 23 are fixedly installed on its outer wall. The multiple discharging blades 23 are all located in the discharging cavity 25. The seed discharge can be restricted by the rotation of the discharging blades 23. The connecting gear 22 is fixedly installed at one end of the second rotating shaft 21, and the multiple connecting gears 22 are meshed with adjacent gear shafts 15. The first rotating shaft 14 is rotatably set on the top of the base 1, and two gear shafts 15 are fixedly sleeved on the first rotating shaft 14. The first rotating shaft 14 can be driven by the driving box 11 to rotate, and then the multiple second rotating shafts 21 can be driven to rotate, so as to realize the interval discharging of seeds. Moreover, by adopting the design of the gear shaft 15, even if the seeders 3 on both sides move, it will not affect the meshing transmission effect of the connecting gear 22.

[0039] The present application can be used in the field of agricultural planting technology, and can also be used in other fields applicable to the present application.

[0040] Example 2

[0041] refer to Figure 1 , 3 , improved on the basis of Example 1: a soil harrowing and deep sowing seeder, which is applied to the field of agricultural planting technology;

[0042] Furthermore, the two corresponding wheels 4 are connected via a transmission shaft, and the output shaft of the drive box 11 is connected to the first synchronous wheel 12 on one of the transmission shafts via a synchronous belt, so as to provide power for the movement of the seed drill.

[0043] At the same time, a baffle 26 is also provided at the bottom of the base 1, and the baffle 26 can cooperate with multiple seeders 3 to prevent the soil splashed during the raking process from clogging the discharge port of the seeder 3.

[0044] In addition, a push-pull handle 27 is provided on the top of the base 1 to facilitate the user to operate the seeder and facilitate the sowing work.

[0045] However, as is well known to those skilled in the art, the working principles and wiring methods of the motor 6 and the drive box 11 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any optional selections according to their needs or convenience.

[0046] The working principle and use process of the present technical solution are as follows: when in use, the user can first move the seeder 3 to the field, and then the user needs to load the seeds to be sown into the three seeders 3 respectively, and then the user can start the drive box 11 to drive the seeder to move forward; when the seeder is working, the three harrows 2 in front of it can rake the topsoil to make the moister soil deep in the soil leak out, and then the seeder 3 will discharge the seeds at intervals as the seeder moves forward, so that they fall evenly into the furrows raked by the harrows 2; when the drive box 11 drives the seeder forward, the drive box 11 will also synchronously drive the first rotating shaft 14 to rotate, and the two gear shafts 15 on the first rotating shaft 14 will drive the connecting gears 22 on the outer walls of the multiple seeders 3 to rotate synchronously, thereby driving the multiple discharge blades 23 inside the seeder 3 to rotate, and when the discharge blades 23 are stationary in the discharge cavity 25, they can prevent the seeds in the storage cavity 24 from falling, and when the multiple discharge blades 23 rotate, It will intermittently push out some seeds to complete uniform sowing of seeds; when the user needs to change the raking depth of multiple harrows 2, the user can start the motor 6, and the motor 6 can drive the middle connecting rod 19 to adjust the height. At the same time, under the restrictions of the connecting frame 16 and the fixed block 18, the connecting rod 19 will drive the three harrows 2 to move synchronously, thereby realizing the height adjustment of the three harrows 2; when the user needs to adjust the sowing spacing, the user can rotate the double-threaded screw 17 through the hand wheel, and the double-threaded screw 17 can drive the harrows 2 on both sides to move away from or close to the middle harrow 2, and when the harrows 2 on both sides move, they will also drive the corresponding seeders 3 to move synchronously through the corresponding connecting rods 19, thereby completing the adjustment of the distance between the three seeders 3, and through the design of the connecting rod 19, it can be ensured that the harrow 2 and the corresponding seeder 3 are always kept in the same straight line, ensuring that the seeds can be sown in the raked furrows, ensuring a good sowing effect.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A soil harrowing deep sowing machine, characterized in that: include: A base (1), wherein a first through hole (8) and two second through holes (10) are provided on the top of the base (1), and four wheels (4) are rotatably provided on the bottom of the base (1) for moving the seed drill; It also includes three harrows (2), wherein the three harrows (2) all penetrate the base (1) through the first through hole (8), and the three harrows (2) are used to harrow the soil to be sown in advance; It also comprises three seeders (3), wherein a plurality of the seeders (3) all penetrate the base (1), and a storage cavity (24) and a discharge cavity (25) are provided inside the plurality of seeders (3), wherein the storage cavity (24) is used for storing seeds, the storage cavity (24) is located above the discharge cavity (25), and the storage cavity (24) is communicated with the discharge cavity (25), a feed port is provided at the top of the seeder (3) and is communicated with the storage cavity (24), and a discharge port is provided at the bottom of the seeder (3) and is communicated with the discharge cavity (25); It also includes a lifting assembly, which is used to adjust the height of the three harrows (2); It also includes an adjustment component, which is used to adjust the distance between the three harrows (2) and the three seed drills (3); It also includes a discharging component, which is used to achieve the discharging of seeds at intervals.

2. A soil harrowing deep seeding machine according to claim 1, characterized in that: The lifting assembly comprises a fixed block (18) fixedly mounted on the top of the three harrows (2), the three fixed blocks (18) passing through the same connecting frame (16), wherein the fixed block (18) located in the middle is fixedly connected to the connecting frame (16), and the fixed blocks (18) located on both sides are slidably connected to the connecting frame (16), two guide rods (9) are fixedly mounted on the top of the base (1), one end of the two guide rods (9) slides through the connecting frame (16), one side of the three fixed blocks (18) is fixedly mounted with a connecting rod (19), and one end of the three seeders (3) is fixedly mounted with a connecting rod (19). Two L-shaped clips (20) are fixedly installed on each side, wherein the two L-shaped clips (20) located on one side of the same seeder (3) cooperate with each other and are slidably connected to adjacent connecting rods (19); a support frame (5) is fixedly installed on the top of the base (1); a motor (6) is fixedly installed on the top of the support frame (5); one end of the output shaft of the motor (6) is fixedly connected to a lifting screw (7); one end of the lifting screw (7) rotates through the support frame (5) and is rotatably connected to the top of the base (1); the support frame (5) is threadedly connected to the connecting rod (19) located in the middle.

3. A soil harrowing deep seeding machine according to claim 2, characterized in that: The adjustment assembly comprises a double-threaded screw (17) which rotatably penetrates the connecting frame (16); the fixed block (18) located in the middle is rotatably connected to the double-threaded screw (17); the fixed blocks (18) located on both sides are both threadedly connected to the double-threaded screw (17); and the two fixed blocks (18) are respectively located on two opposite threads of the double-threaded screw (17); the seeder (3) located in the middle is fixedly connected to the base (1); the seeders (3) located on both sides penetrate the base (1) through the second through hole (10) and are slidably connected to the inner wall of the second through hole (10), so as to realize the synchronous horizontal movement of the seeder (3) and the harrow (2).

4. The soil harrowing and deep seeding machine according to claim 1, characterized in that: The discharge assembly comprises a second rotating shaft (21) which rotates and passes through the seeder (3); a plurality of discharge blades (23) are fixedly mounted on the outer wall of the second rotating shaft (21); the plurality of discharge blades (23) are all located in a discharge cavity (25); the plurality of discharge blades (23) are used to limit the discharge of seeds; a connecting gear (22) is fixedly mounted on one end of the second rotating shaft (21); the connecting gear (22) is located outside the seeder (3); a first rotating shaft (14) is rotatably arranged on the top of the base (1) through a bracket; two gear shafts (15) are fixedly sleeved on the outer wall of the first rotating shaft (14); the plurality of connecting gears (22) are all meshed with adjacent gear shafts (15); a driving box (11) is fixedly mounted on the top of the base (1); a second synchronous wheel (13) is fixedly mounted on the outer wall of the first rotating shaft (14); the second synchronous wheel (13) and the output shaft of the driving box (11) are connected via a synchronous belt transmission.

5. The soil harrowing and deep seeding machine according to claim 4, characterized in that: The plurality of wheels (4) cooperate with each other in pairs, and a common transmission shaft is fixedly installed between two corresponding wheels (4). A first synchronous wheel (12) is fixedly installed on the outer wall of the transmission shaft of the adjacent drive box (11), and the first synchronous wheel (12) is connected to the output shaft of the drive box (11) through another synchronous belt transmission, so as to provide power for the movement of the seed drill.

6. The soil harrowing and deep seeding machine according to claim 3, characterized in that: A baffle (26) is fixedly mounted on the bottom of the base (1), the baffle (26) being located between the plurality of harrows (2) and the plurality of seed drills (3), and the side of the baffle (26) facing the seed drill (3) has a certain degree of curvature, so as to prevent soil splashed during the harrowing process from clogging the discharge port of the seed drill (3).

7. The soil harrowing and deep seeding machine according to claim 5, characterized in that: A push-pull handle (27) is fixedly mounted on the top of the base (1) for enabling a user to control the seed drill.

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