Agricultural seeding machine capable of adjusting seeding spacing
By designing the combination of crossbeams, traction frames, adjustment frames and sprocket components, the problems of existing agricultural seeders in sowing pitch adjustment and soil loosening coverage are solved, and convenient trench-opening sowing and rapid adjustment sowing are achieved, improving sowing efficiency.
Patent Information
- Application Number
- CN202422552584.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-22
- Publication Date
- 2025-08-19
- Estimated Expiration
- 2034-10-22
AI Technical Summary
The existing agricultural seeders are not convenient for convenient trench-opening sowing operations, and are not convenient for convenient adjustment of pitch sowing operations, which affects the adjustment range of agricultural seeders, is not convenient for convenient loosening of seeds, and is difficult to quickly adjust sowing operations to meet different spacing requirements, which affects sowing efficiency.
An agricultural seeder including cross beams, traction frames, adjustment frames, transmission boxes, trench opening arms and loosening knives is designed. Through the cooperation of threaded rods and threaded blocks, the lateral movement of the adjustment frame is realized, the seeding spacing is adjusted, and the sprocket assembly is driven by the bending angle reducer to realize seeding and loosening cover operations.
It realizes convenient trench-opening sowing operations of agricultural seeds, expands the adjustment range, improves sowing efficiency, and facilitates seed loosening and covering, adapts to the rapid adjustment sowing requirements of different spacing requirements.
Smart Images

Figure CN223231577U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of agricultural seed drills, in particular to an agricultural seed drill with adjustable seeding spacing. Background Art
[0002] The main function of the agricultural seeder is to replace manual sowing, tillage and other operations in agricultural production, thereby improving the efficiency of agricultural production. Compared with traditional manual methods, the agricultural seeder can greatly reduce the consumption of human resources, while also ensuring the growth quality and harvest quantity of crops. The agricultural seeder is suitable for various types of land, including plains, hills, mountains and other terrains, and can also be suitable for different types of crops, such as wheat, corn, soybeans, etc. Therefore, the agricultural seeder is widely used in modern agriculture and has become one of the necessary equipment for agricultural production. The row spacing of the seeder refers to the distance between the crops evenly arranged by the seeder in the middle of the field. Different row spacings will directly affect the growth and development of crops, so it is necessary to adjust the row spacing according to the growth characteristics of different crops.
[0003] For example, an agricultural seeder with adjustable sowing spacing disclosed in the authorization announcement number CN221449085U has a connecting frame fixedly arranged on the left side of the mobile frame, and several driving sliders are slidably arranged in the slide grooves opened on the left and right sides of the lower part of the connecting frame. A No. 1 rotating shaft is provided in the middle of the connecting frame through a bearing, and a No. 2 rotating shaft is provided on the driving slider through a bearing. The driving frame is fixedly sleeved on the No. 1 rotating shaft and several No. 2 rotating shafts respectively, and a plurality of seeders connected to the storage box through a material pipe are provided at the lower part of the connecting frame. The middle seeder is fixedly connected to the connecting frame, and a worm gear is fixedly sleeved on the No. 1 rotating shaft. A worm gear meshing with the worm gear is provided on the connecting frame through a bearing.
[0004] While it can achieve the adjustment of the sowing spacing, it can also provide guidance during the sowing movement, making the movement of the seeder more stable and avoiding the deviation of the sowing position;
[0005] However, it does not solve the problem that the existing agricultural seeders of this type are generally not conducive to convenient furrow-type sowing operations, are not convenient for convenient spacing-adjusting sowing operations, affect the adjustment range of the agricultural seeder, are not convenient for convenient soil loosening and covering operations of seeds, and are not convenient for quickly adjusting sowing operations to adapt to different spacing requirements, which greatly affects the sowing efficiency of the agricultural seeder. Utility Model Content
[0006] The purpose of the present utility model is to provide an agricultural seeder with adjustable sowing spacing, so as to solve the problem in the above background technology that the agricultural seeder is not convenient for convenient furrow-type sowing operations, is not convenient for convenient spacing-adjusting sowing operations, affects the adjustment range of the agricultural seeder, is not convenient for convenient soil loosening and covering operations of seeds and rapid adjustment of sowing operations to adapt to different spacing requirements, and affects the sowing efficiency of the agricultural seeder.
[0007] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: an agricultural seeder with adjustable sowing spacing, comprising a crossbeam and a traction frame, a traction frame being installed on the outer wall of the crossbeam, a material trough being installed on the top of the traction frame above the crossbeam, a plurality of adjustment frames with equal intervals being slidably installed on the side walls of the crossbeam, a transmission box being installed at the bottom end of the adjustment frame, a bucket cover being installed at the bottom end of the transmission box, a positioning buckle being installed on the side walls of the adjustment frame, a furrowing arm being installed at the bottom end of the positioning buckle, a positioning ring being installed on the side wall of the furrowing arm close to the second sprocket assembly, a positioning seat being installed at the bottom end of the material trough above the adjustment frame, a hose being installed at the bottom end of the positioning seat, and the hoses being extended to the outside of the positioning ring, a quadrangular shaft being provided on the outside of the material trough, and the quadrangular shaft passing through to the outside of the seeder.
[0008] Preferably, the top of the crossbeam on one side of the adjustment frame is provided with a threaded rod, the surface of the threaded rod is threadedly connected with a threaded block, and the threaded block is fixedly connected to the adjustment frame.
[0009] Preferably, a rear clamping seat is installed at the top end of the crossbeam on one side of the threaded rod, and a front clamping seat is installed at the top end of the crossbeam on the other side of the threaded rod.
[0010] Preferably, both ends of the quadrangular shaft are equipped with positioning seats, and the positioning seats are connected to the material trough, and a hexagonal shaft is arranged on the outside of the beam below the quadrangular shaft.
[0011] Preferably, both ends of the hexagonal shaft are equipped with positioning frames, and the positioning frames are connected to the crossbeam.
[0012] Preferably, a bend reducer is installed at the center position of the bottom end of the beam, and the hexagonal shaft passes through the outside of the bend reducer, and a rotating shaft is installed inside the transmission box on one side of the bucket cover.
[0013] Preferably, a second sprocket assembly is provided on the surface of the rotating shaft, and the second sprocket assembly extends to the surface of the hexagonal shaft.
[0014] Preferably, a first sprocket assembly is provided on the outer wall of the hexagonal shaft on one side of the angle reducer, and the first sprocket assembly extends to the surface of the quadrangular shaft, a rotating disk is installed on the outer wall of the rotating shaft, and a loosening knife is installed on the outer wall of the rotating disk.
[0015] Compared with the existing technology, the beneficial effects of the present invention are: the agricultural seeder not only realizes the convenient furrowing sowing operation of the agricultural seeder, but also facilitates the convenient spacing adjustment sowing operation, increases the adjustment range of the agricultural seeder, facilitates the convenient loosening and covering operation of seeds, facilitates the rapid adjustment of sowing operations to adapt to different spacing requirements, and improves the sowing efficiency of the agricultural seeder;
[0016] (1) The traction frame is connected to the external tractor, and the angle reducer is connected to the rotating shaft of the external tractor. The seeds in the trough enter the inside of the hose through the seeder. Under the ditching action of the ditching arm, the seeds in the hose enter the ditch. When the row spacing of the seed sowing needs to be adjusted, the threaded rod is manually rotated, and the threaded block drives the adjustment frame to move horizontally. The adjustment frame drives the bucket soil cover to move horizontally through the transmission box. The adjustment frame drives the ditching arm and the hose to move horizontally through the positioning buckle to facilitate the adjustment of the spacing between the two groups of hoses, realizing the convenient ditching sowing operation of the agricultural seeder, facilitating the convenient spacing adjustment sowing operation, increasing the adjustment range of the agricultural seeder, and facilitating the rapid adjustment of sowing operations to adapt to different spacing requirements;
[0017] (2) The hexagonal shaft is driven to rotate by the angle reducer, and the hexagonal shaft drives the quadrangular shaft to rotate through the first sprocket assembly. The quadrangular shaft drives the seeder to sow and discharge materials. The hexagonal shaft drives the rotating shaft to rotate through the second sprocket assembly. The rotating shaft drives the loosening knife to rotate through the rotating disk. The loosening knife crushes the soil. With the cooperation of the bucket soil cover, the crushed soil is conveniently covered on the surface of the seed, which facilitates the automatic soil covering operation of the seed, realizes the convenient loosening and covering operation of the seed by the agricultural seeder, and improves the efficiency of soil covering the seed. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the trough of the utility model;
[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the hexagonal shaft of the utility model;
[0021] Figure 4 This is a front view structural diagram of the utility model;
[0022] Figure 5 This is a side structural diagram of the first sprocket assembly of the present invention;
[0023] Figure 6 This is a side structural diagram of the second sprocket assembly of the present invention;
[0024] Figure 7 This is a schematic diagram of the three-dimensional structure of the scarifier of the utility model;
[0025] Figure 8 This is a schematic diagram of the three-dimensional structure of the hose of the present invention.
[0026] In the figure: 1. crossbeam; 2. trough; 3. bend reducer; 4. hexagonal shaft; 5. quadrangular shaft; 6. positioning seat; 7. adjustment frame; 8. transmission box; 9. bucket cover; 10. positioning frame; 11. seeder; 12. hose; 13. furrowing arm; 14. positioning buckle; 15. first sprocket assembly; 16. second sprocket assembly; 17. rotating shaft; 18. rotating disk; 19. loosening knife; 20. rear clamping seat; 21. threaded block; 22. front clamping seat; 23. traction frame; 24. threaded rod; 25. positioning ring. DETAILED DESCRIPTION
[0027] The following is a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0028] See also Figure 1-8 The utility model provides an embodiment of an agricultural seeder with adjustable sowing spacing, comprising a crossbeam 1 and a traction frame 23, a traction frame 23 is installed on the outer wall of the crossbeam 1, a material trough 2 is installed on the top of the traction frame 23 above the crossbeam 1, and a plurality of adjusting frames 7 with equal intervals are slidably installed on the side wall of the crossbeam 1, a transmission box 8 is installed at the bottom end of the adjusting frame 7, a bucket cover 9 is installed at the bottom end of the transmission box 8, a positioning buckle 14 is installed on the side wall of the adjusting frame 7, a furrowing arm 13 is installed at the bottom end of the positioning buckle 14, a positioning ring 25 is installed on the side wall of the furrowing arm 13 near the second sprocket assembly 16, a positioning seat 6 is installed at the bottom end of the trough 2 above the adjusting frame 7, a hose 12 is installed at the bottom end of the positioning seat 6, and the hose 12 extends to the outside of the positioning ring 25, a quadrangular shaft 5 is provided on the outside of the trough 2, and the quadrangular shaft 5 passes through the outside of the seeder 11;
[0029] The top of the beam 1 on one side of the adjustment frame 7 is provided with a threaded rod 24, the surface of the threaded rod 24 is threadedly connected with a threaded block 21, and the threaded block 21 is fixedly connected to the adjustment frame 7;
[0030] The rear holder 20 is installed on the top of the beam 1 on one side of the threaded rod 24, and the front holder 22 is installed on the top of the beam 1 on the other side of the threaded rod 24;
[0031] The traction frame 23 is connected to the external tractor, and the angle reducer 3 is connected to the rotating shaft of the external tractor. The seeds inside the trough 2 enter the inside of the hose 12 through the seeder 11. Under the ditching action of the furrowing arm 13, the seeds inside the hose 12 enter the furrow. When the row spacing of seed sowing needs to be adjusted, the threaded rod 24 is manually rotated. Under the support of the rear and front bases 20 and 22 on the threaded rod 24, the threaded block 21 is driven to move under the threaded cooperation of the threaded rod 24 and the threaded block 21. The threaded block 21 drives the adjustment frame 7 to move laterally. The adjustment frame 7 drives the bucket soil cover 9 to move laterally through the transmission box 8. The adjustment frame 7 drives the furrowing arm 13 and the hose 12 to move laterally through the positioning buckle 14, so as to facilitate the adjustment of the spacing between the two groups of hoses 12, thereby realizing the convenient furrowing sowing operation of the agricultural seeder, facilitating the convenient spacing adjustment sowing operation, increasing the adjustment range of the agricultural seeder, and facilitating the rapid adjustment of sowing operations to adapt to different spacing requirements;
[0032] Both ends of the quadrangular shaft 5 are equipped with positioning seats 6, and the positioning seats 6 are connected to the material trough 2. The outside of the beam 1 below the quadrangular shaft 5 is provided with a hexagonal shaft 4;
[0033] Both ends of the hexagonal shaft 4 are equipped with positioning frames 10, and the positioning frames 10 are connected to the crossbeam 1;
[0034] A bend reducer 3 is installed at the center of the bottom end of the crossbeam 1, and the hexagonal shaft 4 passes through the outside of the bend reducer 3. A rotating shaft 17 is installed inside the transmission box 8 on one side of the bucket cover 9.
[0035] The surface of the rotating shaft 17 is provided with a second sprocket assembly 16, and the second sprocket assembly 16 extends to the surface of the hexagonal shaft 4;
[0036] A first sprocket assembly 15 is provided on the outer wall of the hexagonal shaft 4 on one side of the angle reducer 3, and the first sprocket assembly 15 extends to the surface of the quadrangular shaft 5. A rotating disk 18 is installed on the outer wall of the rotating shaft 17, and a loosening knife 19 is installed on the outer wall of the rotating disk 18.
[0037] The hexagonal shaft 4 is driven to rotate by the angle reducer 3, and the hexagonal shaft 4 drives the quadrangular shaft 5 to rotate through the first sprocket assembly 15. The drive of the quadrangular shaft 5 facilitates the seeder 11 to sow and discharge materials. The hexagonal shaft 4 drives the rotating shaft 17 to rotate through the second sprocket assembly 16, and the rotating shaft 17 drives the loosening knife 19 to rotate through the rotating disk 18. The loosening knife 19 crushes the soil. With the cooperation of the bucket soil cover 9, the crushed soil is conveniently covered on the surface of the seeds, so as to facilitate the automatic soil covering operation of the seeds, thereby realizing the convenient loosening and covering operation of the seeds by the agricultural seeder and improving the efficiency of soil covering the seeds.
[0038] When the embodiment of the present application is in use: first, the traction frame 23 is connected to the external tractor, the angle reducer 3 is connected to the rotating shaft of the external tractor, the seeds inside the trough 2 pass through the seeder 11 and enter the inside of the hose 12, and under the ditching action of the ditching arm 13, the seeds inside the hose 12 enter the groove. When it is necessary to adjust the row spacing of seed sowing, the threaded rod 24 is manually rotated, and under the support of the rear base 20 and the front base 22 on the threaded rod 24, the threaded block 21 is driven to move under the threaded cooperation of the threaded rod 24 and the threaded block 21, and the threaded block 21 drives the adjustment frame 7 to move horizontally, and the adjustment frame 7 drives the bucket cover 9 to move horizontally through the transmission box 8. The adjustment frame 7 is positioned The buckle 14 drives the furrowing arm 13 and the hose 12 to move horizontally to facilitate the adjustment of the distance between the two groups of hoses 12. The hexagonal shaft 4 is then driven to rotate by the angle reducer 3. The hexagonal shaft 4 drives the quadrangular shaft 5 to rotate through the first sprocket assembly 15. The drive of the quadrangular shaft 5 facilitates the seeder 11 to sow and discharge materials. The hexagonal shaft 4 drives the rotating shaft 17 to rotate through the second sprocket assembly 16. The rotating shaft 17 drives the loosening knife 19 to rotate through the rotating disk 18. The loosening knife 19 crushes the soil. With the cooperation of the bucket soil cover 9, the crushed soil is covered on the surface of the seeds to facilitate the automatic soil covering operation of the seeds to complete the use of the agricultural seeder.
Claims
1. An agricultural seeder with adjustable sowing spacing, characterized by: The invention comprises a crossbeam (1) and a traction frame (23), wherein the traction frame (23) is installed on the outer wall of the crossbeam (1), and a material trough (2) is installed on the top of the traction frame (23) above the crossbeam (1), and a plurality of equal-spaced adjustment frames (7) are slidably installed on the side wall of the crossbeam (1), and a transmission box (8) is installed at the bottom end of each adjustment frame (7), and a bucket cover (9) is installed at the bottom end of each transmission box (8), and a positioning buckle (14) is installed on the side wall of each adjustment frame (7). 4) are all installed with a furrowing arm (13) at the bottom end, and a positioning ring (25) is installed on the side wall of the furrowing arm (13) near the second sprocket assembly (16). The bottom end of the trough (2) above the adjustment frame (7) is all installed with a positioning seat (6), and the bottom end of the positioning seat (6) is all installed with a hose (12), and the hose (12) extends to the outside of the positioning ring (25). A quadrangular shaft (5) is provided on the outside of the trough (2), and the quadrangular shaft (5) passes through the outside of the seeder (11).
2. The agricultural seeder with adjustable sowing spacing according to claim 1, characterized in that: The top of the crossbeam (1) on one side of the adjustment frame (7) is provided with a threaded rod (24), the surface of the threaded rod (24) is threadedly connected to a threaded block (21), and the threaded block (21) is fixedly connected to the adjustment frame (7).
3. The agricultural seeder with adjustable sowing spacing according to claim 2, characterized in that: A rear clamping seat (20) is installed at the top end of the crossbeam (1) on one side of the threaded rod (24), and a front clamping seat (22) is installed at the top end of the crossbeam (1) on the other side of the threaded rod (24).
4. The agricultural seeder with adjustable sowing spacing according to claim 1, characterized in that: Both ends of the quadrangular shaft (5) are fitted with positioning seats (6), and the positioning seats (6) are connected to the material trough (2). A hexagonal shaft (4) is provided outside the crossbeam (1) below the quadrangular shaft (5).
5. The agricultural seeder with adjustable sowing spacing according to claim 4, characterized in that: Both ends of the hexagonal shaft (4) are fitted with positioning frames (10), and the positioning frames (10) are connected to the crossbeam (1).
6. The agricultural seeder with adjustable sowing spacing according to claim 1, characterized in that: A bend reducer (3) is installed at the center of the bottom end of the crossbeam (1), and the hexagonal shaft (4) passes through the outside of the bend reducer (3). A rotating shaft (17) is installed inside the transmission box (8) on one side of the bucket cover (9).
7. The agricultural seeder with adjustable sowing spacing according to claim 6, characterized in that: A second sprocket assembly (16) is provided on the surface of the rotating shaft (17), and the second sprocket assembly (16) extends to the surface of the hexagonal shaft (4).
8. The agricultural seeder with adjustable sowing spacing according to claim 6, characterized in that: A first sprocket assembly (15) is provided on the outer wall of the hexagonal shaft (4) on one side of the angle reducer (3), and the first sprocket assembly (15) extends to the surface of the quadrangular shaft (5). A rotating disk (18) is installed on the outer wall of the rotating shaft (17), and a loosening knife (19) is installed on the outer wall of the rotating disk (18).
Citation Information
Patent Citations
Agricultural seeding machine capable of adjusting seeding spacing
CN221449085U