Inter-row intertillage weeding machine based on triangular special-shaped planetary gear mechanism

By designing inter-row cultivation weeder based on triangular special-shaped planetary gear mechanism on the cultivation weeder tool, the rotation and rotation of the driven blade are realized, forming a circular cycloidal running trajectory, which solves the problems of small operating range and poor results of the existing cultivation weeding tool, and achieves a wider operating range and more efficient weed shearing and crushing effect.

CN119678685APending Publication Date: 2025-03-25NORTHEAST AGRICULTURAL UNIVERSITY
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Patent Information

Application Number
CN202411801840.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-09
Publication Date
2025-03-25

AI Technical Summary

Technical Problem

The running trajectory of the existing tillage and weeding parts of the existing tillage and weeding machine is straight line, the operation is in a planar state, the operation and disturbance range are small, and the quality and effect of the tillage and weeding operation are poor, especially the inter-cultage and weeding operation between the two tillages and stations that cannot adapt to the agronomic technology of ridge planting.

Method used

A inter-row cultivator based on a triangular special-shaped planetary gear mechanism is designed. By fixing an L-shaped plate frame, a reducer, a motor and a triangular special-shaped planetary gear mechanism on the rear side of the self-propelled power chassis, the rotation and rotation of the driven blade are realized, forming a circular cycloidal running trajectory.

Benefits of technology

The scope of intercultural cultivation and weeding operation of driven blades has been greatly expanded, adapting to and meeting the requirements of the use of ridge-planting agronomic methods, achieving leakage-free tillage and removal, better loosening of the soil and improving the shearing and crushing effect of weeds, so that the blades are not easily entangled by weeds.

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Abstract

The invention discloses an inter-row intertillage weeding machine based on a triangular special-shaped planetary gear mechanism, and belongs to agricultural machinery. A speed reducer with a motor is installed on a self-propelled power chassis through an L-shaped plate frame, a V-shaped driving crank provided with a driving plate in a hinged mode is fixedly installed on the speed reducer, three triangular special-shaped planetary gear mechanisms are transversely, evenly and fixedly installed on the L-shaped plate frame, and a driving shaft of the triangular special-shaped planetary gear mechanism in the middle is fixedly connected with the V-shaped driving crank. The driving shafts on the two side portions are connected with the driving plate through the follow-up cranks, the driving cutter bar and the three follow-up cutter bars are installed on the lower side portion of the triangular special-shaped planetary gear mechanism, three layers of driving blades are fixedly installed on the driving cutter bar, and the three follow-up cutter bars are fixedly provided with the driven blades respectively. The machine realizes circular cycloid operation of the blades and three-dimensional intertillage weeding operation, and is large in operation range, good in operation effect and quality, high in operation efficiency and reliable to use.
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Description

Technical Field

[0001] The invention belongs to agricultural machinery, and mainly relates to a mechanical tillage and weeding machine whose running track is controlled by a triangular special-shaped planetary gear mechanism. Background Art

[0002] With the improvement of people's living standards and the enhancement of health awareness, the demand for green organic agricultural products has increased significantly. In order to avoid and eliminate the harm to human body caused by the residues of chemical herbicides in crops, the research and development and application of mechanical tillage and weeding tools in agricultural production have been put on the agenda of agricultural science and technology. At present, there are various types of mechanical tillage and weeding tools for row cultivation agronomic techniques of ridge planting. However, due to the defects and deficiencies in structural design, the running tracks of the tillage and weeding parts on the existing tillage and weeding tools are all straight lines, the tillage and weeding operation is in a flat state, the operation and disturbance range is small, the quality and operation effect of the tillage and weeding operation are poor, especially it cannot adapt to and meet the use of tillage and weeding operations between the two ridges of the ridge planting agronomic techniques. Summary of the invention

[0003] The purpose of the present invention is to address the problems existing in the above-mentioned prior art, combine the actual needs of the inter-row tillage and weeding operations using ridge farming methods, and study and design an inter-row tillage and weeding machine based on a triangular special-shaped planetary gear mechanism, so as to achieve the purpose of expanding the operating range, greatly improving the quality and effect of inter-row tillage and weeding operations, and reducing grass entanglement.

[0004] The purpose of the invention is achieved in this way: an L-shaped frame is fixedly installed on the rear side of the self-propelled power chassis, a reducer is fixedly installed on the vertical wall plate of the L-shaped frame, a motor is fixedly installed on the upper end of the reducer, the motor shaft of the motor is connected to the power input shaft of the reducer, a V-shaped driving crank is fixedly installed on the power output shaft of the reducer, and the driving shaft is hingedly installed on the V-shaped driving crank so as to be relatively rotatable, three triangular special-shaped planetary gear mechanisms are suspended and fixed in sequence on the lower side of the horizontal wall plate of the L-shaped frame in a horizontally uniform manner, the driving shafts of the three triangular special-shaped planetary gear mechanisms are rotatably inserted into the horizontal wall plate of the L-shaped frame, the driving shaft in the middle part is fixedly connected to the V-shaped driving crank, and follower cranks are respectively fixedly installed on the driving shafts on both lateral sides, the follower crank is rotatably hinged to the driving plate, and the triangular special-shaped planetary gear mechanisms are hingedly installed on the triangular special-shaped planetary gear mechanisms. An active cutter bar is rotatably installed below the center of the triangular planetary gear mechanism, the active cutter bar is connected to the driving shaft on the triangular shaped planetary gear mechanism, three layers of active blades are sequentially installed on the lower side of the active cutter bar from top to bottom, and driven cutter bars I, II and III are uniformly and rotatably installed in sequence on the lower part of the triangular shaped planetary gear mechanism and located outside the active cutter bar along the circumferential direction, and driven blades are respectively installed on the lower sides of the driven cutter bars I, II and III, and the driven blades on the driven cutter bars, II and III are respectively sheared with the upper, middle and lower active blades on the active cutter bar in a vertically staggered and radially overlapped manner; the wire connects the battery with the motor, thereby forming an inter-row tillage weeder based on the triangular shaped gear mechanism.

[0005] The invention applies the existing triangular-shaped special-shaped planetary gear mechanism to the inter-row cultivation and weeding machine of the two-ridge platform in the ridge farming method. The driven blade not only rotates on its own, but also can realize revolution around the driving shaft on the central part of the triangular-shaped special-shaped planetary gear mechanism. During the operation, a circular cycloid running track is formed, which greatly expands the inter-row cultivation and weeding operation range of the driven blade, eliminates missed cultivation and missed weeding, can better loosen the soil, and is beneficial to the root development and growth of crops. During the use of the triangular-shaped special-shaped planetary gear mechanism, the overlap amount of the driven blade and the active blade will change as the driven blade moves on the triangular track. The blades change with the movement, so that during operation, the driven blade and the active blade have both shearing cooperation and changing movement of the axis distance, which improves the shearing and crushing effect on the weeds and makes the blades less likely to be entangled by weeds. At the same time, the three-layer active blade and the driven blades on the three driven knife bars at different heights shear and cooperate in sequence to form a three-dimensional inter-tillage and weeding operation, which adapts to and meets the requirements of the ridge side position in the ridge planting agronomic method. It has the characteristics of novel, unique and reasonable structure, good quality of inter-tillage and weeding operation, high efficiency and reliable use, especially providing technical support for inter-row inter-tillage and weeding in ridge planting technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a three-dimensional schematic diagram of the overall structure of an inter-row weeding machine based on a triangular-shaped planetary gear mechanism;

[0007] Figure 2 It is a two-dimensional schematic diagram of the overall structure of an inter-row weeding machine based on a triangular shaped planetary gear mechanism;

[0008] Figure 3 yes Figure 2 A top view of

[0009] Figure 4 yes Figure 2 Left view of

[0010] Figure 5 yes Figure 4 A-A sectional view;

[0011] Figure 6 This is the orbital motion diagram of driven tool bars Ⅰ, Ⅱ, Ⅲ;

[0012] Figure 7 It is a schematic diagram of the change in the overlap between the driven blade and the active blade during the revolution of the driven blade rods Ⅰ, Ⅱ, and Ⅲ.

[0013] Explanation of the part numbers in the figure: 1. Battery, 2. Self-propelled power chassis, 3. L-shaped plate frame, 4. Motor, 5. Reducer, 6. V-shaped driving crank, 7. Driving plate, 8. Triangular shaped planetary gear mechanism, 8-1, driving shaft, 9. Driven tool rod I, 10. Driven tool rod II, 11. Active tool rod, 12. Driven blade, 13. Driven tool rod III, 14. Active blade, 15. Follower crank. DETAILED DESCRIPTION

[0014] The following is a detailed description of the implementation scheme of the invention with reference to the accompanying drawings. A row-to-row weeder based on a triangular-shaped planetary gear mechanism comprises a self-propelled power chassis 2 with a battery 1 and a triangular-shaped planetary gear mechanism 8, an L-shaped plate frame 3 is fixedly mounted on the rear side of the self-propelled power chassis 2, a reducer 5 is fixedly mounted on the vertical wall plate of the L-shaped plate frame 3, a motor 4 is fixedly mounted on the upper end of the reducer 5, the motor shaft of the motor 4 is connected to the power input shaft of the reducer 5, and a V-shaped driving crank 6 is fixedly mounted on the power output shaft of the reducer 5. A driving plate 7 is hingedly mounted on the V-shaped driving crank 6 so as to be relatively rotatable. Three triangular-shaped planetary gear mechanisms 8 are suspended and fixed in sequence on the lower side of the horizontal wall plate of the L-shaped frame 3 in a uniformly distributed manner in a horizontal direction. The driving shafts 8-1 of the three triangular-shaped planetary gear mechanisms 8 are rotatably inserted into the horizontal wall plate of the L-shaped frame 3. The driving shaft 8-1 in the middle is fixedly connected to the V-shaped driving crank 6. Follower cranks 15 are fixedly mounted on the driving shafts 8-1 on both sides in the horizontal direction. The follower crank 15 is rotatably hinged with the driving plate 7, and an active knife bar 11 is rotatably installed below the central part of the triangular shaped planetary gear mechanism 8. The active knife bar 11 is connected to the driving shaft 8-1 on the triangular shaped planetary gear mechanism 8. Three layers of active blades 14 are installed in sequence from top to bottom on the lower side of the active knife bar 11. On the lower part of the triangular shaped planetary gear mechanism 8, the driven knife bars I9, II10 and III13 are evenly and rotatably installed in sequence on the outer side of the active knife bar 11 in the circumferential direction. The driven blades 12 are respectively installed on the lower sides of the driven knife bars I9, II10 and III13. The driven blades 12 on the driven knife bars I9, II10 and III13 are respectively shear-matched with the upper, middle and lower active blades 14 on the active knife bar 11 in a vertically displaced and radially overlapped manner; the wire connects the battery 1 with the motor 4.

[0015] During operation, the self-propelled power chassis 2 moves forward along the ridges in the field in the ridge cultivation mode, and the three active cutter bars 11 are respectively placed at the center of the adjacent ridge furrows in the field. The battery 1 drives the motor 4 to rotate. The rotational power of the motor 4 drives the V-shaped driving crank 6 to rotate through the reducer 5. The V-shaped driving crank 6 causes the driving plate 7 to perform a translational rotation. The two follower cranks 15 on the side respectively drive the driving shafts 8-1 on the side to rotate. At the same time, the V-shaped driving crank 6 drives the middle driving shaft 8-1 to rotate. The triangular anisotropy The planetary gear mechanism 8 makes the active cutter bar 11 and the driven cutter bars Ⅰ, Ⅱ, Ⅲ 9, 10, 13 rotate, and at the same time makes the driven cutter bars Ⅰ, Ⅱ, Ⅲ 9, 10, 13 revolve around the active cutter bar 11 synchronously, so as to carry out and complete the three-dimensional tillage and weeding operation at the ridge furrows and ridge sides. The three layers of active blades 14 from top to bottom on the active cutter bar 11 cooperate with the driven blades 12 on the driven cutter bars Ⅰ, Ⅱ, Ⅲ 9, 10, 13 in turn, so as to carry out and complete the shearing and crushing processing of weeds and soil blocks.

[0016] The invention applies the existing triangular-shaped special-shaped planetary gear mechanism to the inter-row tillage and weeding machine in the two-ridge platform of the ridge farming method, so that the driven blade can not only rotate on its own, but also can realize revolution around the driving shaft on the center part of the triangular-shaped special-shaped planetary gear mechanism, and form a circular cycloid running track during operation. The overlapping amount of the driven blade and the active blade will change as the driven blade moves on the triangular track, so that during operation, the driven blade and the active blade have both shearing cooperation and changing movement of the axis distance. At the same time, the three-layer active blade and the driven blades on the three driven knife rods with different height positions are sheared and cooperated in sequence to form a three-dimensional inter-row tillage and weeding operation, which greatly expands the inter-row tillage and weeding operation range of the driven blade, adapts to and meets the use requirements of the ridge side part of the ridge planting agronomic method, has the characteristics of no missed tillage and missed weeding, can better loosen the soil, improve the shearing and crushing effect on weeds, and make the blade not easily entangled by weeds.

Claims

1. An inter-row weeding machine based on a triangular-shaped planetary gear mechanism, comprising a self-propelled power chassis (2) with a battery (1) and a triangular-shaped planetary gear mechanism (8), characterized in that: An L-shaped frame (3) is fixedly mounted on the rear side of the self-propelled power chassis (2), a reducer (5) is fixedly mounted on the vertical wall plate of the L-shaped frame (3), a motor (4) is fixedly mounted on the upper end of the reducer (5), a motor shaft of the motor (4) is connected to a power input shaft of the reducer (5), a V-shaped driving crank (6) is fixedly mounted on the power output shaft of the reducer (5), a driving plate (7) is hingedly mounted on the V-shaped driving crank (6) so as to be relatively rotatable, and a drive plate (7) is fixedly mounted on the lower horizontal wall plate of the L-shaped frame (3). Three triangular shaped planetary gear mechanisms (8) are uniformly distributed laterally on the side and are suspended and fixed in sequence. The driving shafts (8-1) of the three triangular shaped planetary gear mechanisms (8) are rotatably inserted into the horizontal wall plate of the L-shaped plate frame (3). The driving shaft (8-1) in the middle is fixedly connected to the V-shaped driving crank (6). Follower cranks (15) are respectively fixedly installed on the driving shafts (8-1) on both sides of the horizontal part. The follower cranks (15) are rotatably hinged to the driving plate (7). An active knife bar (11) is rotatably mounted below the central portion of the triangular-shaped planetary gear mechanism (8), the active knife bar (11) being connected to a driving shaft (8-1) on the triangular-shaped planetary gear mechanism (8), three layers of active blades (14) being mounted in sequence from top to bottom on the lower side of the active knife bar (11), and a driven knife bar I (9) and a driven knife bar II being evenly distributed and rotatably mounted in sequence on the lower portion of the triangular-shaped planetary gear mechanism (8) and located outside the active knife bar (11) in a circumferential direction. (10) and a driven knife bar III (13), driven blades (12) are respectively installed on the lower side of the driven knife bar I (9), the driven knife bar II (10) and the driven knife bar III (13), and the driven blades (12) on the driven knife bar I (9), the driven knife bar II (10) and the driven knife bar III (13) are respectively shear-matched with the upper, middle and lower active blades (14) on the active knife bar (11) in a vertically staggered and radially overlapping manner; and the battery (1) is connected to the motor (4) by a wire.

Citation Information

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