Adjustable farmland weeding machine
By designing an adjustable farmland weeding machine, which utilizes a plowshare with a soil-turning motor and transmission components to move deep into the soil, the problem of traditional farmland weeding machines being unable to handle weed roots has been solved, achieving efficient weeding and improving the crop growth environment.
Patent Information
- Application Number
- CN202520205986.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-10
- Publication Date
- 2026-01-27
- Estimated Expiration
- 2035-02-10
AI Technical Summary
Traditional farmland weeding machines cannot effectively remove the roots of weeds in the soil, leading to the regeneration of weed roots, increasing labor intensity and production costs, and affecting crop growth.
An adjustable farmland weeder was designed, which uses a soil-turning motor to drive the drive shaft and transmission components. The plow head reciprocates to reach deep into the soil and remove the roots of weeds. It is equipped with detachable weeding blades and a hydraulic cylinder control system to ensure power transmission and equipment stability.
It effectively removes and turns over the roots of weeds, improves weed control, reduces regrowth of weeds, lowers labor intensity and production costs, and improves the growing environment for crops.
Smart Images

Figure CN223829864U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of agricultural weeding technology, and in particular to an adjustable farmland weeding machine. Background Technology
[0002] In modern agricultural production, weeding machines play a crucial role. They efficiently remove weeds from farmland, reducing competition between weeds and crops for nutrients, water, and sunlight, thus creating a favorable growing environment for crops and effectively improving crop yield and quality. At the same time, using weeding machines can significantly save labor and time costs, enhancing the efficiency and economic benefits of agricultural production.
[0003] Traditional farmland weeders typically consist of a main body, a walking mechanism, a power unit, and weeding blades. The main body serves as the overall supporting frame, providing the mounting base for other components. The walking mechanism usually uses wheels for easy movement in the field. The power unit is often a fuel engine, providing power for the weeder's operation. The weeding blades are the key components that directly cut the weeds through high-speed rotation. Its working principle is that the power unit drives the weeding blades to rotate at high speed, cutting the weeds on the ground, while the walking mechanism propels the weeder forward, thus achieving the weeding operation in the farmland.
[0004] However, the aforementioned traditional farmland weeders have certain drawbacks and limitations. Most can only treat weeds above ground level, failing to effectively manage the roots of weeds in the soil. Weed roots remaining in the soil have a strong regenerative capacity, quickly regrowing and making the weeding effect unsustainable. This not only forces farmers to perform weeding frequently, increasing labor intensity and production costs, but also negatively impacts crop growth and development due to repeated weed growth, ultimately hindering crop yield and quality and restricting efficient agricultural production. Therefore, an adjustable farmland weeder is proposed to address these issues. Utility Model Content
[0005] To overcome the above shortcomings, this utility model provides an adjustable farmland weeding machine, which aims to improve the problem that the existing technology cannot handle the roots of weeds in the soil.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: an adjustable farmland weeding machine, comprising a weeding body and a weeding shaft, wherein a fixing block is fixedly connected to the top of the weeding body, a root treatment mechanism is provided at the end of the fixing block away from the weeding body, a plurality of detachable mechanisms are evenly arranged around the bottom of the weeding shaft, and a connecting block is fixedly connected to the top of the weeding body.
[0007] The root treatment mechanism includes a soil-turning shell, the outside of which is fixedly connected to one end of the fixed block. A soil-turning motor is fixedly connected inside the soil-turning shell, and a drive shaft is fixedly connected inside the soil-turning motor. A transmission assembly is provided outside the drive shaft, and a driven shaft is fixedly connected inside the transmission assembly. Reciprocating assemblies are fixedly connected to both ends of the driven shaft. A connecting plate is fixedly connected to the bottom of the two reciprocating assemblies, and multiple plowshares are fixedly connected to the bottom of the connecting plate.
[0008] As a further description of the above technical solution: the transmission assembly includes a drive wheel, the inside of which is fixedly connected to the outside of the drive shaft, a belt is sleeved on the outside of the drive wheel, the other end of the belt is wrapped with a driven wheel, and the inside of which is fixedly connected to the outside of the driven shaft;
[0009] As a further description of the above technical solution: the reciprocating assembly includes a long connecting rod and a short connecting rod, one end of the long connecting rod is rotatably connected to the outside of the driven shaft, one end of the short connecting rod is rotatably connected to the outside of the driving shaft, and the other end of the long connecting rod is rotatably connected to a reciprocating connecting rod;
[0010] As a further description of the above technical solution: the other end of the two reciprocating connecting rods is fixedly connected to a connecting plate, and the other end of the short connecting rod is rotatably connected to the middle of the reciprocating connecting rod;
[0011] As a further description of the above technical solution: the detachable mechanism includes a mounting block, a weeding blade is detachably connected inside the mounting block, a bolt is threadedly connected inside the mounting block and the weeding blade, and a washer is fixedly connected to one end of the bolt;
[0012] As a further description of the above technical solution: a connecting block is fixedly connected to the top of the weeding vehicle body, a hydraulic cylinder is fixedly connected to the top of the connecting block, two cylindrical dampers are fixedly connected to the output end of the hydraulic cylinder, and the other end of the two cylindrical dampers is fixedly connected to the weeding shell.
[0013] As a further description of the above technical solution: a weeding motor is fixedly connected inside the weeding housing, a plurality of driving bevel gears are fixedly connected inside the weeding motor, a driven bevel gear is meshed with the outside of the driving bevel gears, a plurality of fixed rings are fixedly connected inside the weeding housing, the inside of the fixed rings is rotatably connected to the inside of the driven bevel gears, and a weeding shaft is fixedly connected to the bottom of the fixed rings;
[0014] As a further description of the above technical solution: a control room is fixedly connected to the top of the weeding vehicle body, and tracks are provided on both sides of the weeding vehicle body.
[0015] This utility model has the following beneficial effects:
[0016] 1. In this invention, the reciprocating assembly and transmission assembly work together to allow the plowshare to remove the roots of weeds in the farmland soil, while also loosening the soil. By converting rotational power into reciprocating linear motion, the plowshare achieves rapid and continuous reciprocating motion, enabling it to repeatedly turn over the soil, deeply penetrating the soil layer and effectively removing and uprooting the weeds. The plowshare motor drives the drive shaft, drive wheel, and driven wheel system, ensuring smooth power transmission and avoiding excessive mechanical resistance and energy loss. Simultaneously, the coordinated work of the long and short connecting rods in the reciprocating assembly enhances the stability and range of motion of the plowshare, improving the weeding effect.
[0017] 2. In this utility model, the weeding blade and the mounting block are designed with a detachable mechanism, which effectively improves the operability and ease of maintenance of the equipment. The mounting block is connected to the weeding blade through a detachable connection, making it easy to replace and clean the blade, thereby ensuring the efficient operation of the equipment. In addition, the bolts connecting the mounting block and the internal threads of the blade secure the blade, preventing it from loosening and falling off, thus improving work safety. One end of the bolt has a washer to increase the contact area, which can distribute pressure and prevent the bolt from loosening due to vibration. Attached Figure Description
[0018] Figure 1 This is a three-dimensional schematic diagram of the adjustable farmland weeding machine proposed in this utility model;
[0019] Figure 2 This is a schematic diagram of the fixed block of the adjustable farmland weeder proposed in this utility model;
[0020] Figure 3 This is a schematic diagram of the soil-turning motor of the adjustable farmland weeder proposed in this utility model;
[0021] Figure 4 This is a schematic diagram of the active bevel gear of the adjustable farmland weeder proposed in this utility model;
[0022] Figure 5 This is a schematic diagram of the structure of the gasket of the adjustable farmland weeding machine proposed in this utility model.
[0023] Legend:
[0024] 1. Weeding vehicle body; 2. Control room; 3. Tracks; 4. Fixing block; 5. Plowhead; 6. Tilling shell; 7. Tilling motor; 8. Drive shaft; 9. Drive wheel; 10. Belt; 11. Driven wheel; 12. Driven shaft; 13. Long connecting rod; 14. Reciprocating connecting rod; 15. Short connecting rod; 16. Connecting plate; 17. Connecting block; 18. Hydraulic cylinder; 19. Cylindrical damper; 20. Weeding shell; 21. Weeding motor; 22. Drive bevel gear; 23. Driven bevel gear; 24. Fixing ring; 25. Weeding shaft; 26. Mounting block; 27. Weeding blade; 28. Bolt; 29. Washer. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Reference Figures 1 to 3 This utility model provides an embodiment of an adjustable farmland weeder, including a weeding body 1. The body is made of high-strength alloy material, which has high tensile strength and corrosion resistance. The body structure should have strong load-bearing capacity to support the installation and operation of multiple subsystems. The weeding shaft 25 drives the weeding blades 27 to cut weeds through high-speed rotation, thus realizing the weeding operation. A fixing block 4 is fixedly connected to the top of the weeding body 1. The fixing block 4 is an important support structure for the root treatment mechanism. The root treatment mechanism is set at the end of the fixing block 4 away from the weeding body 1. Multiple detachable mechanisms are evenly arranged around the bottom of the weeding shaft 25. A connecting block 17 is fixedly connected to the top of the weeding body 1 to connect and fix the hydraulic cylinder 18.
[0027] The root treatment mechanism includes a soil-turning shell 6, which encloses and protects the soil-turning motor 7, transmission components, and reciprocating components inside. The soil-turning shell 6 is fixedly connected to one end of a fixed block 4. The soil-turning motor 7 is fixedly connected inside the soil-turning shell 6, providing power to the root treatment mechanism and driving the drive shaft 8 to rotate, thereby driving the entire soil-turning mechanism to work. The drive shaft 8 is fixedly connected inside the soil-turning motor 7, transmitting the power of the soil-turning motor 7 to the drive wheel 9 in the transmission components. The transmission components are provided outside the drive shaft 8, and the driven shaft 12 is fixedly connected inside the transmission components, converting the rotational power of the driven wheel 11 into the reciprocating linear motion of the reciprocating components. Reciprocating components are fixedly connected to both ends of the driven shaft 12. Connecting plates 16 are fixedly connected to the bottom of the two reciprocating components. Multiple plowshares 5 are fixedly connected to the bottom of the connecting plates 16, which directly act on the soil, turning over the roots of weeds to achieve weeding and loosening of the soil.
[0028] The transmission assembly includes a drive wheel 9, which is fixedly connected to the drive shaft 8 and transmits power via a belt 10. The drive wheel 9 is internally fixedly connected to the outside of the drive shaft 8, and the belt 10 is sleeved on the outside of the drive wheel 9 to transmit power to the driven wheel 11. The other end of the belt 10 wraps around the driven wheel 11 to receive the power transmitted by the drive wheel 9. The driven wheel 11 is internally fixedly connected to the outside of the driven shaft 12. The reciprocating assembly includes a long connecting rod 13, one end of which is rotatably connected to the driven shaft 12, and the other end of which is rotatably connected to a reciprocating connecting rod 14 to convert rotational motion into linear motion. A short connecting rod 15 is connected to the drive shaft 8 at one end... The drive shaft 8 is rotatably connected, and the other end is rotatably connected to the middle of the reciprocating connecting rod 14, which assists the long connecting rod 13 in realizing reciprocating motion. One end of the long connecting rod 13 is rotatably connected to the outside of the driven shaft 12, and one end of the short connecting rod 15 is rotatably connected to the outside of the drive shaft 8. The other end of the long connecting rod 13 is rotatably connected to the reciprocating connecting rod 14, connecting the long connecting rod 13 and the short connecting rod 15, and fixed to the connecting plate 16, transmitting the motion to the connecting plate 16 and the plow head 5. The other ends of the two reciprocating connecting rods 14 are fixedly connected to the connecting plate 16, and the other end of the short connecting rod 15 is rotatably connected to the middle of the reciprocating connecting rod 14.
[0029] Reference Figure 1 , Figure 4 , Figure 5 The detachable mechanism includes a mounting block 26, a mounting and fixing blade 27, and a connecting weeding shaft 25. The blade 27 is detachably connected inside the mounting block 26, and its rotation drives the blade 27 to perform cutting and clearing operations. Bolts 28 are threadedly connected inside the mounting block 26 and the blade 27 to fasten the mounting block 26 and the blade 27 and prevent loosening and falling off. A washer 29 is fixedly connected to one end of the bolt 28 to increase the contact area, distribute pressure, and prevent the bolt 28 from loosening.
[0030] Reference Figure 1 , Figure 2 , Figure 4 A connecting block 17 is fixedly connected to the top of the weeding vehicle body 1, connecting the weeding vehicle body 1 and the hydraulic cylinder 18, transmitting force and supporting the hydraulic cylinder 18. The top of the connecting block 17 is fixedly connected to the hydraulic cylinder 18, driving the weeding mechanism to rise and fall. Two cylindrical dampers 19 are fixedly connected to the output end of the hydraulic cylinder 18. During the process of the hydraulic cylinder 18 pushing the weeding housing 20 to rise and fall, they play a buffering and damping role, reducing the impact and vibration caused by sudden start and stop, making the weeding mechanism's rising and falling movement more stable. The other end of the two cylindrical dampers 19 is fixedly connected to the weeding housing 20, protecting the internal weeding motor 21, bevel gear and other components, and providing an installation support structure.
[0031] The weeding outer casing 20 has a weeding motor 21 fixedly connected inside, which serves as the power source for the weeding mechanism and provides high-speed rotational power to the driving bevel gear 22. Multiple driving bevel gears 22 are fixedly connected inside the weeding motor 21, which transmit the motor power to the driven bevel gear 23 to achieve power steering and speed change. The driven bevel gear 23 is externally meshed with the driving bevel gear 22, receiving the power from the driving bevel gear 22 and driving the weeding shaft 25 to rotate. Multiple fixed rings 24 are fixedly connected inside the weeding outer casing 20 to support and fix the driven bevel gear 23. The inside of the fixed rings 24 is rotatably connected to the inside of the driven bevel gear 23. The bottom of the fixed rings 24 is fixedly connected to the weeding shaft 25. The top of the weeding body 1 is fixedly connected to the control room 2, which is the core part for the operator to control and monitor the entire operation of the weeding machine. Tracks 3 are provided on both sides of the weeding body 1 to provide strong traction for the weeding machine, adapt to complex farmland terrain, and improve mobility.
[0032] Working Principle: The root treatment mechanism begins with the activation of the tilling motor 7. As the core power source of the mechanism, the tilling motor 7 rotates at high speed after power is supplied, causing its internal drive shaft 8 to rotate accordingly. The rotation of the drive shaft 8 drives the drive wheel 9, which is fixedly connected to it, to rotate. The drive wheel 9 transmits power to the driven wheel 11 via a belt 10. This belt 10 transmission process not only achieves efficient power transmission but also buffers the impact during power transmission to a certain extent. The driven wheel 11 is fixedly connected to the driven shaft 12, so the rotation of the driven wheel 11 causes the driven shaft 12 to rotate as well. Long connecting rods 13 are connected to the left and right ends of the driven shaft 12, with the other end of the long connecting rod 13 rotatably connected to the reciprocating connecting rod 14. Simultaneously, one end of the short connecting rod 15 is rotatably connected to the drive shaft 8, and the other end is rotatably connected to the middle of the reciprocating connecting rod 14. Under the combined action of the drive shaft 8 and the driven shaft 12, the long connecting rod 13 and the short connecting rod 15 move in tandem, driving the reciprocating connecting rod 14 in reciprocating linear motion.
[0033] The reciprocating linear motion of the reciprocating connecting rod 14 is transmitted to the connecting plate 16, which is fixedly connected to it. The multiple plowshares 5 fixed at the bottom of the connecting plate 16 also reciprocate up and down. When the plowshares 5 move downward, they can cut into the soil and turn the roots of weeds out of the ground, achieving the dual purpose of weeding and loosening the soil.
[0034] First, the mounting block 26 serves as both the mounting location for the weeding blade 27 and the connection point for the weeding shaft 25. The design of the mounting block 26 allows for easy connection of the weeding blade 27, secured by bolts 28. Bolts 28 are used to fix the connection between the mounting block 26 and the weeding blade 27, ensuring the blade will not loosen or fall off during high-speed rotation. To further enhance the fixing effect, a washer 29 is installed at one end of the bolt 28, increasing the contact area and distributing pressure, thereby effectively preventing the bolt 28 from loosening.
[0035] Each weeding blade 27 operates by rotating in connection with the weeding shaft 25. The mounting block 26 allows for quick removal and installation of the weeding blade 27, enabling timely replacement of the blades after wear, thereby avoiding reduced work efficiency due to blade damage.
[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. An adjustable farmland weeding machine, comprising a weeding body (1) and a weeding shaft (25), characterized in that: The top of the weeding vehicle body (1) is fixedly connected to a fixing block (4), and a root treatment mechanism is provided at the end of the fixing block (4) away from the weeding vehicle body (1). Multiple detachable mechanisms are evenly arranged around the bottom of the weeding shaft (25), and a connecting block (17) is fixedly connected to the top of the weeding vehicle body (1). The root treatment mechanism includes a soil-turning shell (6), the outside of which is fixedly connected to one end of the fixed block (4). A soil-turning motor (7) is fixedly connected inside the soil-turning shell (6). A drive shaft (8) is fixedly connected inside the soil-turning motor (7). A transmission assembly is provided outside the drive shaft (8). A driven shaft (12) is fixedly connected inside the transmission assembly. Reciprocating assemblies are fixedly connected to both ends of the driven shaft (12). A connecting plate (16) is fixedly connected to the bottom of the two reciprocating assemblies. Multiple plowshares (5) are fixedly connected to the bottom of the connecting plate (16).
2. The adjustable farmland weeding machine according to claim 1, characterized in that: The transmission assembly includes a drive wheel (9), the inside of which is fixedly connected to the outside of the drive shaft (8), a belt (10) is sleeved on the outside of the drive wheel (9), and the other end of the belt (10) is wrapped with a driven wheel (11), the inside of which is fixedly connected to the outside of the driven shaft (12).
3. The adjustable farmland weeding machine according to claim 1, characterized in that: The reciprocating assembly includes a long connecting rod (13) and a short connecting rod (15). One end of the long connecting rod (13) is rotatably connected to the outside of the driven shaft (12), one end of the short connecting rod (15) is rotatably connected to the outside of the drive shaft (8), and the other end of the long connecting rod (13) is rotatably connected to a reciprocating connecting rod (14).
4. The adjustable farmland weeding machine according to claim 3, characterized in that: The other end of the two reciprocating links (14) is fixedly connected to a connecting plate (16), and the other end of the short link (15) is rotatably connected to the middle of the reciprocating links (14).
5. The adjustable farmland weeding machine according to claim 1, characterized in that: The detachable mechanism includes a mounting block (26), and a weeding blade (27) is detachably connected inside the mounting block (26). A bolt (28) is threadedly connected inside the mounting block (26) and the weeding blade (27), and a washer (29) is fixedly connected to one end of the bolt (28).
6. The adjustable farmland weeding machine according to claim 1, characterized in that: A connecting block (17) is fixedly connected to the top of the weeding vehicle body (1), and a hydraulic cylinder (18) is fixedly connected to the top of the connecting block (17). Two cylindrical dampers (19) are fixedly connected to the output end of the hydraulic cylinder (18), and the other end of the two cylindrical dampers (19) is fixedly connected to the weeding shell (20).
7. The adjustable farmland weeding machine according to claim 6, characterized in that: The weeding housing (20) is fixedly connected to a weeding motor (21), and the weeding motor (21) is fixedly connected to a plurality of driving bevel gears (22). The driving bevel gears (22) are meshed with a driven bevel gear (23) on the outside. The weeding housing (20) is fixedly connected to a plurality of fixed rings (24), and the fixed rings (24) are rotatably connected to the inside of the driven bevel gears (23). The bottom of the fixed rings (24) is fixedly connected to a weeding shaft (25).
8. The adjustable farmland weeding machine according to claim 1, characterized in that: The top of the weeding vehicle body (1) is fixedly connected to a control room (2), and tracks (3) are provided on both sides of the weeding vehicle body (1).