Reel structure of rice harvester

Through the gear system driven by the servo motor and the damper buffer structure, the angle adjustment of the rice harvester's lever and the rapid replacement of the lever are realized, solving the problem of poor applicability of the lever and improving working efficiency and durability.

CN223261955UActive Publication Date: 2025-08-26NANJING AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202422613934.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-08-26
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The angle of the existing rice harvester is fixed, and it cannot adapt to rice of different heights, resulting in frequent replacement of the device, which reduces working efficiency.

Method used

The gear system is adopted to drive the adjustment shaft rotation through the meshing of the gear ring and the gear, so as to adjust the angle of the lever. Combined with the damper and buffer rod structure, the damage of the lever is reduced and the convenient replacement of the lever model.

Benefits of technology

It improves the applicability and durability of the lever device, reduces the time to replace the equipment, and improves the work efficiency of rice harvesting and personnel maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of agricultural equipment, and discloses a reel structure of a rice harvester, which comprises shells, rotating discs are movably connected to the corresponding surfaces of the two shells, a first sliding groove is formed in each rotating disc, a second sliding groove is formed in the opposite side of each rotating disc, the second sliding grooves are fixedly connected with the first sliding grooves, and the second sliding grooves are fixedly connected with the second sliding grooves. A sliding ring is movably connected to the interior of the first sliding groove, a rotating ring is movably connected to the rotating disc through a second sliding groove, the rotating ring is located in an inner cavity of the shell, a gear ring is fixedly installed on the rotating ring, a servo motor is fixedly installed on the portion, located in the inner cavity of the shell, of the rotating disc, and a first gear fixedly sleeves an output shaft of the servo motor; a servo motor drives a first gear to enable a gear ring to rotate, the gear ring drives a second gear to enable an adjusting shaft to rotate, an adjusting rod rotates to adjust the angle of a seedling pulling rod, the device can pull rice of different heights, the applicability of the device is improved, and the working efficiency of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural equipment, in particular to a reel structure of a rice harvester. Background Art

[0002] Rice is one of the important food crops of mankind. It has a long history of cultivation and consumption. Half of the world's population eats rice, mainly in Asia, southern Europe, tropical America and parts of Africa. my country is the country with the longest history of rice cultivation in the world. It began to grow rice as early as 6,000 to 7,000 years ago. With the continuous development of science and technology, in order to reduce the labor intensity of farmers during rice harvesting, modern rice harvesters are often used to improve agricultural production efficiency.

[0003] In the prior art, when a rice harvester is operating, it is necessary to use a reel to move the rice ears, but the moving device on the reel is fixed, resulting in that the angle of the moving device cannot be adjusted. When facing rice of different heights, different moving devices need to be replaced in order to harvest the rice with the device, which makes the applicability of the reel poor and reduces the working efficiency of the device. Therefore, in order to solve the above problems, the utility model proposes a reel structure for a rice harvester. Utility Model Content

[0004] In response to the deficiencies in the prior art, the utility model provides a rice harvester's reel wheel structure, in which a servo motor drives gear one to rotate the gear ring, and the gear ring drives gear two to rotate the adjusting shaft, thereby rotating the adjusting rod to achieve angle adjustment of the reel rod, which is beneficial for the device to shift rice at different heights, improves the applicability of the device, avoids the need to replace harvesting equipment, and improves the working efficiency of the device when harvesting rice.

[0005] The utility model provides the following technical solution: a reel structure of a rice harvester, comprising a shell, wherein the shells are two in number and symmetrically distributed on the left and right, a rotating disk is movably connected to the corresponding surfaces of the two shells, a slide groove 1 is provided in the rotating disk, a slide groove 2 is provided on the opposite side of the two rotating disks, the slide groove 2 is fixedly connected to the slide groove 1, a sliding ring is movably connected in the slide groove 1, a rotating ring is movably connected to the rotating disk through the slide groove 2, the rotating ring is located in the inner cavity of the shell, a gear ring is fixedly installed on the rotating ring, a servo motor is fixedly installed on the rotating disk and located in the inner cavity of the shell, and a gear 1 is fixedly sleeved on the output shaft of the servo motor The outer extension of gear 1 is meshed with the gear ring, and an adjusting shaft is evenly and movably sleeved on the rotating disk and located around the rotating ring. There are five adjusting shafts, and a gear 2 is fixedly sleeved on the adjusting shaft and located in the inner cavity of the shell. The outer extension of gear 2 is meshed with the gear ring, and the rotating ring can be rotated on the rotating disk through the movable connection between the sliding ring and the slide groove 1. The servo motor drives gear 1, so that gear 1 drives the gear ring to rotate, and the gear ring drives gear 2 to rotate during the rotation process. Gear 2 drives the adjusting shaft to rotate, thereby driving the plowing device to adjust the angle, which is beneficial for the device to plow rice at different heights, promotes the improvement of the applicability of the device, and enhances the working efficiency of the device.

[0006] Preferably, adjusting rods are evenly arranged between the two rotating disks, and there are five adjusting rods in number. The left and right ends of the adjusting rods are fixedly connected to the adjusting shafts. Grooves are evenly opened inside the adjusting rods, and there are nine grooves in number. The adjusting shaft drives the adjusting rods to rotate and adjust the rice-plowing angle, thereby avoiding the need to replace the harvesting equipment according to the different growth of rice and reducing the time spent on replacing equipment.

[0007] Preferably, a damper is fixedly installed in the groove, a limit plate is fixedly installed on the telescopic end of the damper, the limit plate is movably connected in the groove, a buffer rod is fixedly installed on the side of the limit plate away from the damper, and the buffer rod is movably connected to the groove. The damper can provide a buffer for the plowing mechanism to prevent the plowing mechanism from being seriously damaged by the impact of stones during operation, thereby improving the durability of the device.

[0008] Preferably, a sealing gasket is fixedly installed at the connection between the buffer rod and the adjusting rod, and the end of the buffer rod away from the limit plate is fixedly connected to a threaded rod, and the end of the buffer rod away from the limit plate is provided with a straw rod, and a threaded groove is provided in the straw rod, and the threaded rod and the threaded groove are engaged with each other. The straw rod can be rotated and removed through the engagement of the threaded groove and the threaded rod, which facilitates the replacement of straw rods of different models and improves the work efficiency of the staff when replacing the straw rods.

[0009] Preferably, a driving motor is fixedly installed in the inner cavity of the shell, a driving shaft is fixedly installed on the output shaft of the driving motor, and the driving shaft is fixedly sleeved with the rotating disk. The driving motor drives the driving shaft to rotate, so that the rotating disk rotates, thereby driving the plowing mechanism to rotate.

[0010] Compared with the prior art, the present invention has the following beneficial effects:

[0011] 1. The servo motor drives gear 1, so that gear 1 drives the gear ring to rotate in the inner cavity of the shell, and drives gear 2 to rotate during the rotation of the gear ring. Gear 2 drives the adjusting rod to rotate through the adjusting shaft, thereby adjusting the angle of the rice-pushing rod on the adjusting rod. This is conducive to the device harvesting rice at different heights, greatly improving the applicability of the rice-pushing mechanism, avoiding the need to replace the harvesting equipment according to the different growth of rice, preventing a lot of time from being spent on replacing the equipment, and effectively improving the work efficiency of the device when harvesting rice.

[0012] 2. When the straw bar hits a stone during operation, the straw bar drives the buffer rod to move into the groove, causing the limit plate to slide in the groove. At this time, the damper can provide a buffer for the movement of the limit plate, thereby reducing the impact on the straw bar, preventing damage to the straw bar, and avoiding adverse effects on the operation of the device, thereby improving the durability of the device. When the straw bar needs to be replaced, the straw bar can be rotated and removed through the engagement of the threaded groove and the threaded rod, which facilitates the replacement of straw bars of different models and improves the work efficiency of the staff when maintaining and replacing the straw bar. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the exterior structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the shell of the utility model;

[0015] Figure 3 This is a schematic diagram of the cross-sectional structure of the connection between the rotating disk and the rotating ring of the utility model;

[0016] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of the straw.

[0017] In the figure: 1. Housing; 2. Rotating plate; 3. Slide groove 1; 4. Slide groove 2; 5. Sliding ring; 6. Rotating ring; 7. Gear ring; 8. Servo motor; 9. Gear 1; 10. Adjusting shaft; 11. Gear 2; 12. Adjusting rod; 13. Groove; 14. Damper; 15. Limiting plate; 16. Buffer rod; 17. Sealing gasket; 18. Threaded rod; 19. Paddle rod; 20. Threaded groove; 21. Drive motor; 22. Drive shaft. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figures 1-4 A reel structure of a rice harvester includes a shell 1, two shells 1 and symmetrically distributed on the left and right sides, a rotating disk 2 is movably connected on the corresponding surfaces of the two shells 1, a slide groove 3 is opened in the rotating disk 2, a slide groove 2 4 is opened on the opposite side of the two rotating disks 2, the slide groove 2 4 is fixedly connected to the slide groove 1 3, a sliding ring 5 is movably connected in the slide groove 1 3, a rotating ring 6 is movably connected to the rotating disk 2 through the slide groove 2 4, the rotating ring 6 is located in the inner cavity of the shell 1, a gear ring 7 is fixedly installed on the rotating ring 6, a servo motor 8 is fixedly installed on the rotating disk 2 and located in the inner cavity of the shell 1, a gear 1 9 is fixedly sleeved on the output shaft of the servo motor 8, and the outer extension of the gear 1 9 is meshed with the gear ring 7, an adjusting shaft 10 is evenly movably sleeved on the rotating disk 2 and located around the rotating ring 6, there are five adjusting shafts 10, a gear 2 11 is fixedly sleeved on the adjusting shaft 10 and located in the inner cavity of the shell 1, and the gear 2 11 is meshed with the gear ring 7. The outer extension is meshed with the gear ring 7. When the shifting angle of the rice-plowing mechanism needs to be adjusted, the servo motor 8 is started, and the servo motor 8 drives the gear 1 9 to rotate, and the gear 1 9 is meshed with the gear ring 7 so that the gear 1 9 can drive the gear ring 7. The sliding ring 5 is movably connected with the slide groove 1 3 to make the rotating ring 6 rotate on the rotating disk 2, so that the gear ring 7 can rotate in the inner cavity of the shell 1. During the rotation of the gear ring 7, the gear 2 11 is driven to rotate, the gear 2 11 drives the adjusting shaft 10 to rotate, and the adjusting shaft 10 drives the adjusting rod 12 to rotate, thereby realizing the adjustment of the angle of the rice-plowing rod 19 on the adjusting rod 12, which is conducive to the device for harvesting rice at different heights, greatly improving the applicability of the rice-plowing mechanism, avoiding the need to replace the harvesting equipment according to the different growth of rice, reducing the time spent on replacing the equipment, and effectively improving the working efficiency of the device when harvesting rice;

[0020] Adjusting rods 12 are evenly arranged between the two rotating disks 2. There are five adjusting rods 12. The left and right ends of the adjusting rods 12 are fixedly connected to the adjusting shaft 10. Grooves 13 are evenly opened inside the adjusting rod 12. There are nine grooves 13. A damper 14 is fixedly installed in the groove 13. A limit plate 15 is fixedly installed on the telescopic end of the damper 14. The limit plate 15 is movably connected in the groove 13. A buffer rod 16 is fixedly installed on the side of the limit plate 15 away from the damper 14. The buffer rod 16 is movably sleeved with the groove 13. A sealing gasket 17 is fixedly installed at the connection between the buffer rod 16 and the adjusting rod 12. One end of the buffer rod 16 away from the limit plate 15 is fixedly connected to a threaded rod 18. The end of the buffer rod 16 away from the limit plate 15 is provided with a paddling rod 19. A threaded groove 20 is opened in the paddling rod 19. The threaded rod 18 and the threaded groove 20 are meshed with each other. A driving motor 21 is fixedly installed in the inner cavity of the shell 1. The driving shaft 22 is fixedly installed, and the driving shaft 22 is fixedly connected to the rotating disk 2. The driving motor 21 drives the driving shaft 22 to rotate, so that the rotating disk 2 rotates, thereby driving the straw-pulling mechanism to rotate. When the straw-pulling rod 19 encounters a stone in the process of plucking the rice ears, the straw-pulling rod 19 drives the buffer rod 16 to move into the groove 13, so that the limit plate 15 slides in the groove 13. At this time, the damper 14 can provide a buffer for the movement of the limit plate 15, reducing the impact on the straw-pulling rod 19, and preventing the straw-pulling rod 19 from being damaged due to a serious collision with the stone, thereby improving the durability of the device, avoiding damage to the straw-pulling rod 19 and affecting the device's plucking operation of the rice. When the straw-pulling rod 19 needs to be replaced, the straw-pulling rod 19 can be rotated and removed through the engagement of the threaded groove 20 with the threaded rod 18, which is convenient for replacing straw-pulling rods 19 of different models, thereby improving the work efficiency of the staff when maintaining and replacing the straw-pulling rod 19.

[0021] Working principle: The driving motor 21 drives the driving shaft 22 to rotate, causing the rotating disk 2 to rotate, thereby driving the paddle mechanism to rotate. When the paddle mechanism's paddle angle needs to be adjusted, the servo motor 8 is started, and the servo motor 8 drives the gear 1 9 to rotate. The gear 1 9 is engaged with the gear ring 7, so that the gear 1 9 can drive the gear ring 7. The sliding ring 5 is connected to the slide groove 1 3, so that the rotating ring 6 rotates on the rotating disk 2, thereby allowing the gear ring 7 to rotate in the inner cavity of the housing 1. During the rotation of the gear ring 7, the gear 2 11 is driven to rotate, and the gear 2 11 drives the adjustment shaft 10 rotates, the adjusting shaft 10 drives the adjusting rod 12 to rotate, thereby realizing the adjustment of the angle of the straw rod 19 on the adjusting rod 12. When the straw rod 19 encounters a stone in the process of moving the rice ears, the straw rod 19 drives the buffer rod 16 to move into the groove 13, so that the limit plate 15 slides in the groove 13. At this time, the damper 14 can provide a buffer for the movement of the limit plate 15, reducing the impact on the straw rod 19. When the straw rod 19 needs to be replaced, the straw rod 19 can be rotated and removed through the engagement of the threaded groove 20 with the threaded rod 18, which is convenient for replacing straw rods 19 of different models.

Claims

1. A reel structure for a rice harvester, comprising a housing (1), characterized in that: There are two shells (1) and they are symmetrically distributed on the left and right sides. The corresponding surfaces of the two shells (1) are movably connected with rotating disks (2). A first slide groove (3) is provided in the rotating disk (2). A second slide groove (4) is provided on the opposite side of the two rotating disks (2). The second slide groove (4) is fixedly connected to the first slide groove (3). A sliding ring (5) is movably connected in the first slide groove (3). A rotating ring (6) is movably connected to the rotating disk (2) through the second slide groove (4). The rotating ring (6) is located in the inner cavity of the shell (1). A A gear ring (7) is provided. A servo motor (8) is fixedly mounted on the rotating disk (2) and located in the inner cavity of the housing (1). A gear one (9) is fixedly sleeved on the output shaft of the servo motor (8). The outer extension of the gear one (9) is meshed with the gear ring (7). Adjustment shafts (10) are evenly and movably sleeved on the rotating disk (2) and located around the rotating ring (6). There are five adjustment shafts (10). Gear two (11) is fixedly sleeved on the adjustment shaft (10) and located in the inner cavity of the housing (1). The outer extension of the gear two (11) is meshed with the gear ring (7).

2. The reel structure of a rice harvester according to claim 1, characterized in that: Adjustment rods (12) are evenly arranged between the two rotating disks (2), and the number of the adjustment rods (12) is five. The left and right ends of the adjustment rods (12) are fixedly connected to the adjustment shaft (10). Grooves (13) are evenly opened inside the adjustment rods (12), and the number of the grooves (13) is nine.

3. The reel structure of a rice harvester according to claim 2, characterized in that: A damper (14) is fixedly installed in the groove (13); a limit plate (15) is fixedly installed at the telescopic end of the damper (14); the limit plate (15) is movably connected in the groove (13); a buffer rod (16) is fixedly installed on the side of the limit plate (15) away from the damper (14); and the buffer rod (16) is movably sleeved with the groove (13).

4. The reel structure of a rice harvester according to claim 3, characterized in that: A sealing gasket (17) is fixedly installed at the connection between the buffer rod (16) and the regulating rod (12); one end of the buffer rod (16) away from the limiting plate (15) is fixedly connected to a threaded rod (18); one end of the buffer rod (16) away from the limiting plate (15) is provided with a straw rod (19); a threaded groove (20) is provided in the straw rod (19); and the threaded rod (18) and the threaded groove (20) are engaged with each other.

5. The reel structure of a rice harvester according to claim 1, characterized in that: A driving motor (21) is fixedly mounted in the inner cavity of the housing (1), a driving shaft (22) is fixedly mounted on the output shaft of the driving motor (21), and the driving shaft (22) is fixedly sleeved with the rotating disk (2).