Rice transplanter capable of conveniently adjusting rice transplanting density
By designing a rice transplanter with adjustable spacing, fixed position, and locking auxiliary mechanisms, the problem of difficult density adjustment in traditional rice transplanters has been solved, achieving convenient, precise, and stable control of transplanting density and improving agricultural production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GAOAN ZHONGHUI AGRICULTURAL MACHINERY MANUFACTURING CO LTD
- Filing Date
- 2025-04-30
- Publication Date
- 2026-05-01
AI Technical Summary
Traditional rice transplanters cannot flexibly adjust the planting density, and the adjustment process is cumbersome and inconvenient, making it difficult to meet the precision requirements of modern precision agriculture, resulting in uneven crop growth and waste of resources.
A rice transplanter including an interval adjustment mechanism, a position fixing mechanism, and a snap-fit auxiliary mechanism was designed. Through the cooperation of the sliding adjustment block and the turntable embedding plate, the transplanting density can be precisely adjusted, avoiding cumbersome manual disassembly and adjustment steps, and ensuring the stability and accuracy of the transplanting process.
It enables convenient adjustment and precise control of transplanting density, improves operational efficiency, reduces labor intensity, ensures the stability of the transplanting process and the durability of the equipment, and meets the needs of different crops and fields.
Smart Images

Figure CN224178654U_ABST
Abstract
Description
A rice transplanter that allows for easy adjustment of planting density. Technical Field
[0001] This utility model relates to the field of rice transplanting technology, and more specifically, to a rice transplanter that facilitates the adjustment of transplanting density. Background Technology
[0002] Traditional rice transplanters typically use fixed planting spacing and depth, which cannot be flexibly adjusted. This means that operators can only use a fixed setting for planting rice at different crop growth stages or in different field conditions. This significantly reduces the effectiveness of optimizing crop growth and increasing yield. Especially in the case of multiple crop rotations or significant changes in environmental conditions, a single density setting is difficult to adapt to different needs, resulting in wasted resources or uneven crop growth.
[0003] When adjusting the planting density of traditional rice transplanters, it is usually necessary to manually disassemble or replace certain parts, or make fine adjustments through complex mechanical adjustment methods. This not only increases the difficulty of operation, but may also lead to wasted time and incorrect operation during the adjustment process. For example, adjusting the spacing often requires disassembling some components and using tools for adjustment. This cumbersome process greatly increases the labor intensity and reduces production efficiency.
[0004] In some high-precision agricultural planting, the planting density needs to be controlled very precisely. However, existing technologies have limited performance in this regard. Traditional rice transplanters often cannot provide sufficiently fine adjustment options and cannot meet the precise requirements for planting density in modern precision agriculture. Due to the inability to adjust flexibly, the field density distribution of the same crop is uneven, which affects the growth and yield of the crop. Summary of the Invention
[0005] (a) Technical problems to be solved
[0006] In view of the problems existing in the prior art, this utility model provides a rice transplanter that makes it easy to adjust the planting density, so as to solve the technical problems mentioned in the background art, such as the difficulty in adjusting the planting density and the overly cumbersome and inconvenient adjustment process.
[0007] (II) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: a rice transplanter that facilitates adjusting the planting density, comprising a base frame, an interval adjustment mechanism, a position fixing mechanism, and a snap-fit auxiliary mechanism. The interval adjustment mechanism includes an operating frame, a driven wheel, a transplanting frame, a transplanting trough, an adjusting block, and an adjusting plate. The transplanting trough is opened on the transplanting frame, the adjusting block is slidably installed in the transplanting trough, the adjusting plate is installed on the side of the transplanting frame, the operating frame is installed on the front end of the base frame, the transplanting frame is cyclically rotated and installed on the operating frame, and one end of the transplanting frame is linked with the driven wheel. The position fixing mechanism includes a snap-fit tube, a snap-fit rod, a turntable, a first guide groove, a second guide groove, and an embedded plate. The snap-fit rod can extend into the interior of the snap-fit tube, the turntable is limited to rotate and installed inside the outer wall of the snap-fit tube, the second guide groove is set on the turntable, and the two top ends and bottom ends of the embedded plate are embedded into the first guide groove and the second guide groove for sliding guidance. The rotation of the turntable causes the embedded plate to be embedded into or away from the snap-fit rod.
[0009] The present invention is further configured such that the snap-fit auxiliary mechanism includes a rotating sleeve, a bottom ring, a spring pin, and a driving rod. The driving rod is rotatably installed inside the outer wall of the snap-fit tube. One end of the turntable is connected to the driving rod. The rotating sleeve is rotatably installed on the outer wall of the snap-fit tube. The bottom ring is fixedly installed at the bottom end of the outer wall of the snap-fit tube. Multiple sets of spring pins are annularly installed on the bottom ring, and one end of each spring pin can push towards the rotating bottom end step by step. The top end of the rotating sleeve is connected to the driving rod. The rotation of the rotating sleeve drives the turntable and the driving rod to rotate.
[0010] The present invention is further configured such that a roller is rotatably mounted on the operating frame, and rollers are mounted at both ends of the roller. The rotation of the roller can also make the rice transplanter move more smoothly in a cyclical manner, avoiding instability during operation.
[0011] The present invention is further configured such that a main wheel is installed on the roller, and a transmission belt is installed between the main wheel and the driven wheel. The main wheel and the driven wheel are connected by the transmission belt. The use of the transmission belt realizes the effective transmission of power, so that the rice transplanter can operate smoothly and evenly, ensuring the stability and consistency of rice transplanting.
[0012] The present invention is further configured such that a seedling rack is installed on the top end face of the base frame, and a bottom groove is opened at the bottom end of the seedling rack, and the rice transplanter rotates in the bottom groove. The installation design of the seedling rack ensures that the rice transplanter can accurately pick up and release the seedlings.
[0013] The present invention is further provided that a connecting plate is installed at the bottom end of the side wall of the card tube, and the connecting plate is fixedly installed on the side of the adjusting block. The connecting plate ensures that the rice transplanter will not loosen due to vibration or external force during the adjustment process.
[0014] The present invention is further configured such that the adjusting plate is provided with adjusting holes, and multiple sets of adjusting holes are provided, and the locking rod can pass through different adjusting holes to engage with the locking tube to fix the adjusting block in the required position.
[0015] The present invention is further provided that a push handle is installed on one side of the base frame. The design of the push handle allows the operator to easily control the movement of the rice transplanter, thereby improving the mobility and ease of operation of the rice transplanter.
[0016] (III) Beneficial Effects
[0017] Compared with the prior art, this utility model provides a rice transplanter that facilitates the adjustment of planting density, and has the following beneficial effects:
[0018] This utility model is equipped with an interval adjustment mechanism. The adjustment block is slidably installed in the rice transplanting trough, allowing the operator to easily adjust the transplanting interval, thereby accurately controlling the transplanting density to meet the needs of different crops and fields. The adjustment plate is installed on the side of the rice transplanting frame and works in conjunction with the adjustment block, making operation convenient and avoiding the cumbersome manual disassembly and adjustment steps in traditional rice transplanters, thus improving adjustment efficiency and ease of operation.
[0019] This utility model is equipped with a position fixing mechanism. The design of components such as the locking pipe, locking rod, and turntable enables the rice transplanter to accurately fix the position of the adjusting block, avoiding loosening or misoperation during operation, thereby ensuring the consistency and stability of the rice transplanting process. The coordinated rotation of the turntable and the embedded plate allows the adjusting block to be accurately fixed in the required position, effectively preventing errors in the adjustment of the rice transplanting density and improving the precision of the operation.
[0020] This utility model is equipped with a snap-fit auxiliary mechanism. The design of the rotating sleeve, driving rod, bottom ring and spring pin ensures the accurate snap-fit and firm fixation of the snap-fit rod, thereby avoiding loosening or failure of the rice transplanter due to vibration or external force during operation. The structural design of the spring pin and rotating sleeve effectively reduces friction, reduces wear during long-term use of the machine, and increases the durability and working efficiency of the equipment. Attached Figure Description
[0021] Figure 1 is a schematic diagram of the overall structure of the device in the present invention when it is not in use;
[0022] Figure 2 is a schematic diagram of the intermediate interval adjustment mechanism of this utility model;
[0023] Figure 3 is a structural schematic diagram of the adjusting block fixing method in this utility model;
[0024] Figure 4 is a structural schematic diagram of the position fixing mechanism and the snap-fit auxiliary mechanism in this utility model;
[0025] Figure 5 is a schematic diagram of the internal structure of the position fixing mechanism and the snap-fit auxiliary mechanism in this utility model.
[0026] In the diagram: 1. Base frame; 2. Operating frame; 3. Driven wheel; 4. Transplanter frame; 5. Transplanter trough; 6. Adjusting block; 7. Adjusting plate; 8. Connecting pipe; 9. Connecting rod; 10. Turntable; 11. First guide groove; 12. Second guide groove; 13. Embedded plate; 14. Rotating sleeve; 15. Bottom ring; 16. Spring pin; 17. Drive rod; 18. Roller; 19. Roller; 20. Main wheel; 21. Transmission belt; 22. Seedling frame; 23. Bottom groove; 24. Connecting plate; 25. Adjusting hole; 26. Push handle. Detailed Implementation
[0027] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.
[0029] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.
[0030] Please refer to Figures 1-5. A rice transplanter for easy adjustment of planting density includes a base frame 1, an interval adjustment mechanism, a position fixing mechanism, and a locking auxiliary mechanism. The interval adjustment mechanism includes an operating frame 2, a driven wheel 3, a transplanting frame 4, a transplanting trough 5, an adjusting block 6, and an adjusting plate 7. The transplanting trough 5 is formed on the transplanting frame 4. The adjusting block 6 is slidably installed in the transplanting trough 5. The adjusting plate 7 is installed on the side of the transplanting frame 4. The operating frame 2 is installed on the front end face of the base frame 1. The transplanting frame 4 is cyclically rotated and installed on the operating frame 2. The end and the driven wheel 3 are linked together. The position fixing mechanism includes a locking tube 8, a locking rod 9, a turntable 10, a first guide groove 11, a second guide groove 12 and an embedded plate 13. The locking rod 9 can extend into the interior of the locking tube 8. The turntable 10 is installed inside the outer wall of the locking tube 8 for limited rotation. The second guide groove 12 is set on the turntable 10. The two top ends and the bottom ends of the embedded plate 13 are embedded into the first guide groove 11 and the second guide groove 12 for sliding guidance. The rotation of the turntable 10 drives the embedded plate 13 to be embedded into or away from the locking rod 9.
[0031] In this embodiment, pushing the base frame 1 causes the roller 19 to roll on the ground. The roller 19 drives the roller shaft 18 to rotate, which in turn drives the main wheel 20 to rotate. The main wheel 20 drives the driven wheel 3 to rotate via the transmission belt 21, which in turn drives the rice transplanter 4 to rotate cyclically. As the rice transplanter 4 rotates cyclically within the bottom groove 23, the seedlings in the seedling rack 22 are inserted into the ground at a preset interval. The position of the adjusting block 6 within the transplanting groove 5 determines the spacing and density of the transplanting. By adjusting the position of the adjusting block 6 within the transplanting groove 5, the spacing of the transplanting can be changed, thereby adjusting the transplanting density. The adjusting block 6 can be fixed in place by selecting different adjusting holes 25 to cooperate with the position fixing mechanism. To achieve precise adjustment of the transplanting density, the clamping rod 9 is inserted into the clamping tube 8 through the selected adjustment hole 25 on the adjustment plate 7. Then, the turntable 10 is rotated. The rotation of the turntable 10 drives the embedded plate 13 to move under the guidance of the first guide groove 11 and the second guide groove 12, so that the embedded plate 13 is embedded in the clamping rod 9 and locked. When it is necessary to adjust the position of the adjustment block 6, the turntable 10 is rotated in the opposite direction to move the embedded plate 13 away from the clamping rod 9, thereby unlocking it. Then, the clamping rod 9 is pulled out, the position of the adjustment block 6 is adjusted, and a new adjustment hole 25 is selected to relock it. This ensures that the transplanting density can be stably fixed after adjustment and will not loosen or change due to machine vibration.
[0032] The snap-fit auxiliary mechanism includes a rotating sleeve 14, a bottom ring 15, a spring pin 16, and a drive rod 17. The drive rod 17 is rotatably installed inside the outer wall of the snap-fit tube 8. One end of the turntable 10 is connected to the drive rod 17. The rotating sleeve 14 is rotatably installed on the outer wall of the snap-fit tube 8. The bottom ring 15 is fixedly installed at the bottom end of the outer wall of the snap-fit tube 8. Multiple sets of spring pins 16 are annularly installed on the bottom ring 15, and one end of the spring pin 16 can push towards the bottom end of the rotation step by step. The top end of the rotating sleeve 14 is connected to the drive rod 17. The rotation of the rotating sleeve 14 drives the turntable 10 and the drive rod 17 to rotate.
[0033] In this embodiment, the rotating sleeve 14 is rotated, and the rotating sleeve 14 drives the driving rod 17 to rotate through the cooperation connection between the rotating sleeve 14 and the driving rod 17, which in turn drives the connected turntable 10 to rotate, thereby realizing the movement of the embedded plate 13. The spring pin 16 is ring-shaped and installed on the bottom ring 15. When the rotating sleeve 14 rotates, one end of the spring pin 16 can push against the bottom end of the rotating sleeve 14 step by step, generating step-by-step resistance and positioning effect, so that the rotating sleeve 14 can be stably stopped at a specific angle position, preventing accidental rotation, making the operation of the position fixing mechanism more precise and reliable, and improving the accuracy and stability of the rice planting density adjustment.
[0034] Please refer to Figures 1-5 for a supplementary embodiment of a rice transplanter that facilitates adjusting the planting density, including the interval adjustment mechanism, position fixing mechanism, and snap-fit auxiliary mechanism: A roller 18 is rotatably mounted on the operating frame 2, and rollers 19 are mounted at both ends of the roller 18. A main wheel 20 is mounted on the roller 18, and a transmission belt 21 is installed between the main wheel 20 and the driven wheel 3. A seedling frame 22 is mounted on the top end face of the base frame 1, and a bottom groove 23 is opened at the bottom end of the seedling frame 22. The transplanting frame 4 rotates cyclically within the bottom groove 23. A connecting plate 24 is installed at the bottom end of the side wall of the snap-fit pipe 8, and the connecting plate 24 is fixedly mounted on the side of the adjusting block 6. The adjusting plate 7 has adjusting holes 25, and multiple sets of adjusting holes 25 are provided. The snap-fit rod 9 can pass through different adjusting holes 25 and engage with the snap-fit pipe 8 to fix the adjusting block 6 in the desired position. A push handle 26 is installed on one side of the base frame 1.
[0035] More specifically, the operator starts the base frame 1 by pushing handle 26, driving the overall movement of the rice transplanter. The operator sets the transplanting density by adjusting the adjusting plate 7 and adjusting block 6 in the interval adjustment mechanism. By adjusting the position of adjusting block 6, the operator can control the distance between the transplanters, thereby adjusting the transplanting density. The transplanting frame 4 starts to rotate through the operating frame 2, thus inserting the seedlings. The transplanting frame 4 works in conjunction with the driven wheel 3 to ensure accurate insertion direction and spacing of the seedlings. The position fixing mechanism ensures that the transplanting frame 4 remains stable during operation and does not shift. By rotating the clamping pipe 8 and clamping rod 9, the precise position of the transplanting frame 4 is ensured. The clamping auxiliary mechanism assists in completing the clamping operation through the cooperation of rotating sleeve 14 and driving rod 17, ensuring that the transplanting frame 4 can be easily fixed and released when needed.
[0036] In summary, when the overall equipment is in use or running: when the interval adjustment mechanism needs to be running, the base frame 1 is pushed to make the roller 19 roll on the ground. The roller 19 drives the roller shaft 18 to rotate, the roller shaft 18 drives the main wheel 20 to rotate, the main wheel 20 drives the driven wheel 3 to rotate through the transmission belt 21, and the driven wheel 3 drives the rice transplanter 4 to rotate cyclically. When the rice transplanter 4 rotates cyclically in the bottom groove 23, the seedlings in the seedling rack 22 are inserted into the ground at a preset interval. The position of the adjusting block 6 in the rice transplanting groove 5 determines the spacing and density of the rice transplanting. By adjusting the position of the adjusting block 6 in the rice transplanting groove 5, the spacing of the rice transplanting can be changed, thereby adjusting the rice transplanting density. By selecting different adjusting holes 25 and cooperating with the position fixing mechanism, the adjusting block 6 can be fixed in the required position to achieve precise adjustment of the rice transplanting density.
[0037] When the position fixing mechanism is in operation, ensure that the adjusting block 6 can be stably fixed after being adjusted to the required position. Pass the locking rod 9 through the selected adjusting hole 25 on the adjusting plate 7 and insert it into the locking tube 8. Then rotate the turntable 10. The rotation of the turntable 10 drives the embedded plate 13 to move under the guidance of the first guide groove 11 and the second guide groove 12, so that the embedded plate 13 is embedded in the locking rod 9 and locked. When it is necessary to adjust the position of the adjusting block 6, rotate the turntable 10 in the opposite direction to move the embedded plate 13 away from the locking rod 9, release the lock, then pull out the locking rod 9, adjust the position of the adjusting block 6, and then select a new adjusting hole 25 to lock it again. This ensures that the rice planting density can be stably fixed after adjustment and will not loosen or change due to machine vibration.
[0038] When the auxiliary mechanism needs to be engaged, the rotating sleeve 14 is rotated. The rotating sleeve 14, through its engagement with the driving rod 17, drives the driving rod 17 to rotate. The driving rod 17 then drives the connected turntable 10 to rotate, thereby moving the embedded plate 13. The spring-loaded pin 16 is annularly mounted on the bottom ring 15. When the rotating sleeve 14 rotates, one end of the spring-loaded pin 16 can push against the bottom end of the rotating sleeve 14 step by step, generating step-by-step resistance and positioning effect, so that the rotating sleeve 14 can be stably stopped at a specific angle position, preventing accidental rotation, making the operation of the position fixing mechanism more precise and reliable, and improving the accuracy and stability of the rice planting density adjustment.
[0039] The operator starts the base frame 1 by pushing handle 26, driving the entire rice transplanter to move. The operator sets the transplanting density by adjusting the adjusting plate 7 and adjusting block 6 in the interval adjustment mechanism. By adjusting the position of adjusting block 6, the operator can control the distance between the transplanters, thereby adjusting the transplanting density. The transplanting frame 4 starts to rotate through the operating frame 2, inserting the seedlings. The transplanting frame 4 works in conjunction with the driven wheel 3 to ensure accurate insertion direction and spacing of the seedlings. The position fixing mechanism ensures that the transplanting frame 4 remains stable during operation and does not shift. By rotating the clamping pipe 8 and clamping rod 9, the precise position of the transplanting frame 4 is ensured. The clamping auxiliary mechanism, through the cooperation of rotating sleeve 14 and driving rod 17, assists in completing the clamping operation, ensuring that the transplanting frame 4 can be easily fixed and released when needed.
[0040] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.
Claims
1. A rice transplanter that facilitates adjusting the planting density, comprising a base frame (1), an interval adjustment mechanism, a position fixing mechanism, and a clamping auxiliary mechanism, characterized in that: The interval adjustment mechanism includes an operating frame (2), a driven wheel (3), a transplanting frame (4), a transplanting trough (5), an adjusting block (6), and an adjusting plate (7). The transplanting trough (5) is opened on the transplanting frame (4), the adjusting block (6) is slidably installed in the transplanting trough (5), and the adjusting plate (7) is installed on the side of the transplanting frame (4). The operating frame (2) is installed on the front end of the base frame (1), and the transplanting frame (4) is cyclically rotated on the operating frame (2). One end of the transplanting frame (4) is linked with the driven wheel (3). The fixing mechanism includes a clamping tube (8), a clamping rod (9), a turntable (10), a first guide groove (11), a second guide groove (12), and an embedded plate (13). The turntable (10) is installed inside the outer wall of the clamping tube (8) for limited rotation. The second guide groove (12) is set on the turntable (10). The two top ends and the bottom ends of the embedded plate (13) are embedded into the first guide groove (11) and the second guide groove (12) for sliding guidance. The rotation of the turntable (10) drives the embedded plate (13) to be embedded into or away from the clamping rod (9).
2. The rice transplanter for easy adjustment of transplanting density according to claim 1, characterized in that: The locking auxiliary mechanism includes a rotating sleeve (14), a bottom ring (15), a spring pin (16), and a driving rod (17). The driving rod (17) is rotatably installed inside the outer wall of the locking tube (8). One end of the turntable (10) is connected to the driving rod (17). The rotating sleeve (14) is limited to rotating on the outer wall of the locking tube (8). The bottom ring (15) is fixedly installed at the bottom end of the outer wall of the locking tube (8). Multiple sets of spring pins (16) are annularly installed on the bottom ring (15), and one end of the spring pin (16) can be pushed towards the bottom end of the rotation step by step. The top end of the rotating sleeve (14) is connected to the driving rod (17). The rotation of the rotating sleeve (14) drives the turntable (10) and the driving rod (17) to rotate.
3. A rice transplanter for easy adjustment of transplanting density according to claim 1, characterized in that: The operating frame (2) is rotatably mounted with a roller (18), and rollers (19) are mounted at both ends of the roller (18).
4. A rice transplanter for easy adjustment of transplanting density according to claim 3, characterized in that: A main wheel (20) is mounted on the roller (18), and a transmission belt (21) is installed between the main wheel (20) and the driven wheel (3).
5. A rice transplanter for easy adjustment of transplanting density according to claim 1, characterized in that: The top end face of the base frame (1) is equipped with a seedling rack (22), and the bottom end of the seedling rack (22) is provided with a bottom groove (23), and the rice transplanter (4) rotates in the bottom groove (23).
6. A rice transplanter for easily adjusting transplanting density according to claim 1, characterized in that: A connecting plate (24) is installed at the bottom of the side wall of the card tube (8), and the connecting plate (24) is fixedly installed on the side of the adjusting block (6).
7. A rice transplanter for easy adjustment of transplanting density according to claim 1, characterized in that: The adjustment plate (7) is provided with adjustment holes (25). There are multiple sets of adjustment holes (25), and the locking rod (9) can pass through different adjustment holes (25) and engage with the locking tube (8) to fix the adjustment block (6) in the required position.
8. A rice transplanter for easy adjustment of transplanting density according to claim 1, characterized in that: A push handle (26) is installed on one side of the base frame (1).