Weeding device for farmland improvement

Through the combined design of outer and inner plates and the use of a gear transmission system, weeds can be effectively removed, solving the problems of incomplete weeding, crop damage and insufficient soil protection in existing devices, and improving weeding efficiency and terrain adaptability.

CN223472521UActive Publication Date: 2025-10-28GUIYANG GEMDALE AGRICULTURAL DEVELOPMENT INVESTMENT CO LTD
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Patent Information

Application Number
CN202423064476.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-12
Publication Date
2025-10-28
Estimated Expiration
2034-12-12

AI Technical Summary

Technical Problem

Existing weed control devices for farmland improvement have the following problems: incomplete weed control, easy damage to crops, insufficient soil protection function, and poor adaptability in complex terrain.

Method used

The outer and inner plates are combined to form a design in which the gear combination is driven by the rotation of the outer and inner motors to achieve the swing of the plates in opposite or opposite directions, effectively pulling out weeds.

Benefits of technology

It improves weed control efficiency, reduces damage to crops, protects soil structure, and enhances adaptability in complex terrain.

✦ Generated by Eureka AI based on patent content.

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Abstract

The weeding device comprises a connecting plate, a mounting plate, mounting cylinders, a weeding assembly, a hydraulic telescopic rod, a wheel carrier, rolling wheels and a connecting ring, the top of the mounting plate is fixedly mounted on the two sides of the connecting plate, the mounting cylinders are fixedly mounted on the two sides of the bottom of the mounting plate, and the hydraulic telescopic rod is fixedly mounted on the connecting plate. And the weeding assembly is fixedly mounted in the mounting cylinder. The outer motor rotates to drive the outer power wheel and the first outer tooth set to rotate so as to drive the outer pulley and the second outer tooth set to rotate, the first outer tooth set is meshed with the second outer tooth set, and the outer pulley drives the outer clamping plate to swing; the inner motor rotates to drive the inner power wheel and the first inner tooth set to rotate, the inner power wheel and the first inner tooth set rotate to drive the inner pulley and the second inner tooth set to rotate, and the inner pulley rotates to drive the inner clamping plate to swing. The outer clamping plate and the inner clamping plate rotate in the opposite direction or the back-to-back direction, and weeds in a farmland are effectively pulled out through opening and closing clamping of the outer clamping plate and the inner clamping plate.
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Description

Technical Field

[0001] This utility model relates to the field of farmland improvement technology, and in particular to a weeding device for farmland improvement. Background Technology

[0002] In modern agricultural production, weeding devices for farmland management are important tools for ensuring healthy crop growth and increasing yields. However, existing weeding devices for farmland management have some significant drawbacks in practical applications, especially in terms of unsatisfactory weeding effects. These problems not only affect weeding efficiency but may also have adverse effects on crops.

[0003] Existing weeding devices are often poorly designed to completely remove weeds, resulting in incomplete weed control. Many weeding machines use simple blade cutting or brushing methods, which are ineffective against tall weeds with extensive root systems. For example, when dealing with perennial weeds, because their roots penetrate deep into the soil, traditional cutting methods only sever the above-ground parts, while the underground parts continue to grow and sprout new shoots soon after. This not only increases the workload of subsequent weeding but may also cause the weeds to gradually adapt to mechanical weeding, becoming even more difficult to remove.

[0004] Existing weeding devices are prone to damaging crops during operation. Especially when crops and weeds are intermingled, mechanical weeding equipment struggles to accurately distinguish between them, potentially damaging seedlings or mature plants. This damage not only directly affects crop growth and development but can also lead to reduced yields or even total crop failure. Furthermore, some weeding devices are designed too crudely, lacking the precision required for operation and failing to adapt to the needs of different crop types and planting patterns, further exacerbating the potential damage to crops.

[0005] Existing weeding equipment typically lacks adequate soil conservation capabilities. Frequent tillage and soil agitation during mechanical weeding can damage soil structure, increasing the risk of soil erosion. This is particularly problematic on slopes or erosion-prone lands, where improper machinery operation can trigger serious ecological problems. Furthermore, excessive disturbance of the soil surface can disrupt the balance of soil microbial communities, reducing soil fertility and hindering long-term sustainable agricultural development.

[0006] Existing weeding equipment has poor adaptability to complex terrain. Many farmlands are not flat and open, but rather feature undulating terrain with numerous ditches and gullies. In such cases, traditional weeding equipment often struggles to adjust its working posture flexibly and cannot effectively cover all areas requiring weeding.

[0007] Therefore, how to provide a weeding device for farmland management is a problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0008] One objective of this invention is to provide a weeding device for farmland management. This invention utilizes an external motor to drive an external power wheel and a first external gear set, which in turn drive an external pulley and a second external gear set. The first and second external gear sets mesh with each other, and the external pulley causes the outer clamping plate to swing. Simultaneously, an internal motor drives an internal power wheel and a first internal gear set, which in turn drive the internal pulley and a second internal gear set. The rotation of the internal pulley causes the inner clamping plate to swing. The outer and inner clamping plates rotate in opposite or opposing directions, effectively pulling out weeds from the farmland through the opening and closing of the outer and inner clamping plates.

[0009] A weeding device for farmland management according to an embodiment of the present utility model includes a connecting plate, a mounting plate, a mounting cylinder, a weeding component, a hydraulic telescopic rod, a wheel frame, a rolling wheel, and a connecting ring. The top of the mounting plate is fixedly mounted on both sides of the connecting plate, the mounting cylinder is fixedly mounted on both sides of the bottom of the mounting plate, the weeding component is fixedly mounted inside the mounting cylinder, the non-telescopic end of the hydraulic telescopic rod is fixedly mounted on the connecting plate, the closed end of the wheel frame is fixedly mounted on the telescopic end of the hydraulic telescopic rod, the two axles of the rolling wheel are fixedly mounted on the wheel frame, and the connecting ring is fixedly mounted on the connecting plate.

[0010] The weeding assembly includes an outer clamping plate and an inner clamping plate, both of which are located directly below the connecting plate.

[0011] Furthermore, the inner wall of the mounting cylinder is provided with an outer sliding groove, and four hydraulic telescopic rods are provided, all of which are fixedly installed at the four corners of the connecting plate.

[0012] Furthermore, there are two weeding components arranged symmetrically.

[0013] Furthermore, the weeding assembly also includes an external motor, an external drive wheel, and a first external gear assembly, wherein the external motor is fixedly installed inside the mounting cylinder, the external drive wheel is fixedly installed on the rotating shaft of the external motor, and the first external gear assembly is fixedly installed on the outer side of the external drive wheel.

[0014] Furthermore, the weeding assembly also includes an outer pulley, a second outer tooth assembly, and an outer slip ring. The outer pulley is slidably inserted into the mounting cylinder and sleeved on the outer power wheel. The second outer tooth assembly is fixedly installed on the inner wall of the outer pulley and meshes with the first outer tooth assembly. The outer slip ring is fixedly installed on the outer wall of the outer pulley and slidably embedded in the outer slip groove.

[0015] Furthermore, the weeding assembly also includes an inner motor, an inner drive wheel, and a first internal gear set, wherein the inner motor is fixedly installed inside the mounting cylinder, the inner drive wheel is fixedly installed on the rotating shaft of the inner motor, and the first internal gear set is fixedly installed on the outer wall of the inner drive wheel.

[0016] Furthermore, the weeding assembly also includes an inner groove, an inner pulley, a second inner tooth assembly, and an inner slip ring. The inner groove is formed on the inner wall of the outer pulley on the side away from the second outer tooth assembly. The inner pulley is slidably inserted into the outer pulley. The second inner tooth assembly is fixedly installed on the inner wall of the inner pulley and meshes with the first inner tooth assembly. The inner slip ring is fixedly installed on the outer wall of the inner pulley and slidably embedded in the inner groove.

[0017] Furthermore, multiple outer clamping plates are provided, and the multiple outer clamping plates are evenly distributed at an angle on the outer wall of the outer pulley. Multiple inner clamping plates are provided, and the multiple inner clamping plates are evenly distributed at an angle on the outer wall of the inner pulley.

[0018] The beneficial effects of this utility model are:

[0019] This invention utilizes an external motor to drive an external power wheel and a first external gear set, which in turn drive an external pulley and a second external gear set. The first and second external gear sets mesh with each other, and the external pulley causes the outer clamping plate to swing. The internal motor drives an internal power wheel and a first internal gear set, which in turn drive the internal pulley and a second internal gear set. The rotation of the internal pulley causes the inner clamping plate to swing. The outer and inner clamping plates rotate in opposite or opposing directions, effectively pulling out weeds from farmland by opening and closing the clamping mechanism. Attached Figure Description

[0020] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0021] Figure 1 This is a schematic diagram of the overall structure of a weeding device for farmland improvement proposed in this utility model;

[0022] Figure 2 This is a schematic diagram of the connecting plate of a weeding device for farmland improvement proposed in this utility model;

[0023] Figure 3 This is a schematic diagram of the outer clamping plate of a weeding device for farmland improvement proposed in this utility model;

[0024] Figure 4 This utility model proposes a weeding device for farmland improvement. Figure 3A magnified view of point A;

[0025] Figure 5 This is a schematic diagram of the structure of the outer pulley of a weeding device for farmland improvement proposed in this utility model;

[0026] Figure 6 This is a schematic diagram of the inner clamping plate of a weeding device for farmland improvement proposed in this utility model.

[0027] Figure 7 This utility model proposes a weeding device for farmland improvement. Figure 6 Enlarged view of point B;

[0028] Figure 8 This utility model proposes a weeding device for farmland improvement. Figure 6 Enlarged view of point C.

[0029] In the diagram: 1. Connecting plate; 2. Mounting plate; 3. Mounting cylinder; 3.1. Outer sliding groove; 4. Weeding component; 4.1. Outer clamping plate; 4.2. Inner clamping plate; 4.3. Outer motor; 4.4. Outer drive wheel; 4.5. First outer gear group; 4.6. Outer pulley; 4.7. Second outer gear group; 4.8. Outer slip ring; 4.9. Inner motor; 4.10. Inner drive wheel; 4.11. First inner gear group; 4.12. Inner sliding groove; 4.13. Inner pulley; 4.14. Second inner gear group; 4.15. Inner slip ring; 5. Hydraulic telescopic rod; 6. Wheel frame; 7. Rolling wheel; 8. Connecting ring. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0031] Please refer to Figures 1 to 8 This utility model provides a weeding device for farmland management, including a connecting plate 1, a mounting plate 2, a mounting cylinder 3, a weeding component 4, a hydraulic telescopic rod 5, a wheel frame 6, a rolling wheel 7, and a connecting ring 8. The top of the mounting plate 2 is fixedly installed on both sides of the connecting plate 1, the mounting cylinder 3 is fixedly installed on both sides of the bottom of the mounting plate 2, the weeding component 4 is fixedly installed inside the mounting cylinder 3, the non-telescopic end of the hydraulic telescopic rod 5 is fixedly installed on the connecting plate 1, the closed end of the wheel frame 6 is fixedly installed on the telescopic end of the hydraulic telescopic rod 5, the two wheel axles of the rolling wheel 7 are fixedly installed on the wheel frame 6, and the connecting ring 8 is fixedly installed on the connecting plate 1.

[0032] Specifically, the inner wall of the mounting cylinder 3 is provided with an outer sliding groove 3.1, and four hydraulic telescopic rods 5 are provided. All four hydraulic telescopic rods 5 are fixedly installed at the four corners of the connecting plate 1. Two weeding components 4 are provided, and the two weeding components 4 are arranged symmetrically.

[0033] More specifically, the weeding assembly 4 includes an outer clamping plate 4.1 and an inner clamping plate 4.2, both located directly below the connecting plate 1. The weeding assembly 4 also includes an outer motor 4.3, an outer drive wheel 4.4, and a first external gear set 4.5. The outer motor 4.3 is fixedly installed inside the mounting cylinder 3, the outer drive wheel 4.4 is fixedly installed on the rotating shaft of the outer motor 4.3, and the first external gear set 4.5 is fixedly installed on the outer side of the outer drive wheel 4.4. The grass assembly 4 also includes an outer pulley 4.6, a second outer gear set 4.7, and an outer slip ring 4.8. The outer pulley 4.6 is slidably inserted into the mounting cylinder 3 and sleeved on the outer power wheel 4.4. The second outer gear set 4.7 is fixedly installed on the inner wall of the outer pulley 4.6 and meshes with the first outer gear set 4.5. The outer slip ring 4.8 is fixedly installed on the outer wall of the outer pulley 4.6 and slidably embedded in the outer sliding groove 3.1.

[0034] The weeding assembly 4 also includes an inner motor 4.9, an inner drive wheel 4.10, and a first internal gear set 4.11. The inner motor 4.9 is fixedly installed inside the mounting cylinder 3, the inner drive wheel 4.10 is fixedly installed on the rotating shaft of the inner motor 4.9, and the first internal gear set 4.11 is fixedly installed on the outer wall of the inner drive wheel 4.10. The weeding assembly 4 also includes an inner sliding groove 4.12, an inner pulley 4.13, a second internal gear set 4.14, and an inner slip ring 4.15. The inner sliding groove 4.12 is formed on the inner wall of the outer pulley 4.6 on the side away from the second outer gear set 4.7. Wheel 4.13 is slidably inserted into outer pulley 4.6. Second internal gear set 4.14 is fixedly installed on the inner wall of inner pulley 4.13 and meshes with first internal gear set 4.11. Inner slip ring 4.15 is fixedly installed on outer wall of inner pulley 4.13 and slides into inner groove 4.12. Multiple outer clamping plates 4.1 are provided, and multiple outer clamping plates 4.1 are evenly distributed at an angle on outer wall of outer pulley 4.6. Multiple inner clamping plates 4.2 are provided, and multiple inner clamping plates 4.2 are evenly distributed at an angle on outer wall of inner pulley 4.13.

[0035] Furthermore, the connecting ring 8 is used to connect agricultural machinery used in farmland, pulling the connecting plate 1, hydraulic telescopic rod 5, wheel frame 6, and rolling wheel 7 to travel on farmland.

[0036] Activate the hydraulic telescopic rod 5 to extend or retract, thereby adjusting the height between the connecting plate 1 and the farmland.

[0037] The outer pulley 4.6 is rotatably installed inside the mounting cylinder 3, and the inner pulley 4.13 is rotatably installed inside the outer pulley 4.6.

[0038] Start the external motor 4.3 and the internal motor 4.9, so that the external motor 4.3 and the internal motor 4.9 rotate in both directions.

[0039] The rotation of the external motor 4.3 drives the rotation of the external power wheel 4.4 and the first external gear set 4.5, which in turn drives the rotation of the external pulley 4.6 and the second external gear set 4.7. The first external gear set 4.5 and the second external gear set 4.7 mesh with each other, and the external pulley 4.6 drives the outer clamping plate 4.1 to swing. The rotation of the internal motor 4.9 drives the rotation of the internal power wheel 4.10 and the first internal gear set 4.11, which in turn drives the rotation of the internal pulley 4.13 and the second internal gear set 4.14. The rotation of the internal pulley 4.13 drives the inner clamping plate 4.2 to swing. The outer clamping plate 4.1 and the inner clamping plate 4.2 rotate in opposite directions or in opposite directions. The opening and closing of the outer clamping plate 4.1 and the inner clamping plate 4.2 effectively pulls out weeds from the farmland.

[0040] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A weeding device for farmland improvement, characterized in that, The assembly includes a connecting plate (1), a mounting plate (2), a mounting cylinder (3), a weeding component (4), a hydraulic telescopic rod (5), a wheel frame (6), a rolling wheel (7), and a connecting ring (8). The top of the mounting plate (2) is fixedly mounted on both sides of the connecting plate (1), the mounting cylinder (3) is fixedly mounted on both sides of the bottom of the mounting plate (2), the weeding component (4) is fixedly mounted inside the mounting cylinder (3), the non-telescopic end of the hydraulic telescopic rod (5) is fixedly mounted on the connecting plate (1), the closed end of the wheel frame (6) is fixedly mounted on the telescopic end of the hydraulic telescopic rod (5), the axles on both sides of the rolling wheel (7) are fixedly mounted on the wheel frame (6), and the connecting ring (8) is fixedly mounted on the connecting plate (1). The weeding component (4) includes an outer clamping plate (4.1) and an inner clamping plate (4.2), both of which are located directly below the connecting plate (1).

2. The weeding device for farmland improvement according to claim 1, characterized in that, The inner wall of the mounting cylinder (3) is provided with an outer sliding groove (3.1), and four hydraulic telescopic rods (5) are provided. All four hydraulic telescopic rods (5) are fixedly installed at the four corners of the connecting plate (1).

3. The weeding device for farmland improvement according to claim 1, characterized in that, There are two weeding components (4), and the two weeding components (4) are arranged symmetrically.

4. The weeding device for farmland improvement according to claim 3, characterized in that, The weeding assembly (4) also includes an external motor (4.3), an external drive wheel (4.4), and a first external gear set (4.5). The external motor (4.3) is fixedly installed inside the mounting cylinder (3), the external drive wheel (4.4) is fixedly installed on the rotating shaft of the external motor (4.3), and the first external gear set (4.5) is fixedly installed on the outside of the external drive wheel (4.4).

5. A weeding device for farmland improvement according to claim 4, characterized in that, The weeding assembly (4) further includes an outer pulley (4.6), a second outer toothed assembly (4.7), and an outer slip ring (4.8). The outer pulley (4.6) is slidably inserted into the mounting cylinder (3) and sleeved on the outer power wheel (4.4). The second outer toothed assembly (4.7) is fixedly installed on the inner wall of the outer pulley (4.6) and meshes with the first outer toothed assembly (4.5). The outer slip ring (4.8) is fixedly installed on the outer wall of the outer pulley (4.6) and slidably embedded in the outer sliding groove (3.1).

6. A weeding device for farmland improvement according to claim 5, characterized in that, The weeding assembly (4) further includes an inner motor (4.9), an inner drive wheel (4.10), and a first inner gear set (4.11). The inner motor (4.9) is fixedly installed inside the mounting cylinder (3), the inner drive wheel (4.10) is fixedly installed on the rotating shaft of the inner motor (4.9), and the first inner gear set (4.11) is fixedly installed on the outer wall of the inner drive wheel (4.10).

7. A weeding device for farmland improvement according to claim 6, characterized in that, The weeding assembly (4) further includes an inner groove (4.12), an inner pulley (4.13), a second inner tooth group (4.14), and an inner slip ring (4.15). The inner groove (4.12) is formed on the inner wall of the outer pulley (4.6) away from the second outer tooth group (4.7). The inner pulley (4.13) is slidably inserted into the outer pulley (4.6). The second inner tooth group (4.14) is fixedly installed on the inner wall of the inner pulley (4.13) and meshes with the first inner tooth group (4.11). The inner slip ring (4.15) is fixedly installed on the outer wall of the inner pulley (4.13) and slidably embedded in the inner groove (4.12).

8. A weeding device for farmland improvement according to claim 1, characterized in that, Multiple outer clamping plates (4.1) are provided, and the multiple outer clamping plates (4.1) are evenly distributed at an angle on the outer wall of the outer pulley (4.6). Multiple inner clamping plates (4.2) are provided, and the multiple inner clamping plates (4.2) are evenly distributed at an angle on the outer wall of the inner pulley (4.13).