Mechanical and pesticide application combined paddy field cultivating and weeding machine driven by liquid power

Abstract

The utility model relates to a paddy field weeding machine combined with mechanical and pesticide liquid force driving, which belongs to agricultural machinery, and is characterized in that: a weeding liquid tank, a liquid pump assembly, a towerless liquid supply device, a hydraulic electromagnetic valve and an automatic control box assembly are sequentially installed on the upper part of a walking frame, a weed recognizer is arranged on the upper end of the hydraulic electromagnetic valve, the two ends of a liquid pipe A are connected with the liquid outlet of the weeding liquid tank and the liquid inlet of the liquid pump assembly respectively, the two ends of a liquid pipe B are connected with the liquid outlet of the liquid pump assembly and the liquid inlet of the towerless liquid supply device respectively, the two ends of a liquid pipe C are connected with the liquid outlet of the towerless liquid supply device and the liquid inlet of the hydraulic electromagnetic valve respectively, and a liquid-driven weeding unit is installed on the rear end of the walking frame; the machine realizes intelligent combination of liquid force driving shearing and smashing mechanical weeding and chemical weeding of liquid flow transportation, has novel, unique and reasonable structure, and has good weeding and weeding effect, less crop medicine residue and light environmental pollution.

Description

Technical Field

[0001] This invention belongs to agricultural machinery, and mainly relates to a machine suitable for weeding and cultivating in paddy fields. Background Technology

[0002] Mechanical weeding, as a form of physical weeding, has become one of the technical methods for weeding in paddy fields during rice cultivation due to its advantages such as no environmental pollution, no pesticide residues in crops, environmental friendliness, and safety. However, due to shortcomings and defects in structural design, existing mechanical paddy field weeding equipment is driven by mechanical power and can only remove weeds from the paddy field soil, causing them to float on the water surface or be buried in the paddy field mud and die. However, some weeds in paddy fields are highly resistant and have strong vitality, and the above-mentioned methods cannot guarantee or achieve the purpose and effect of weed killing. The quality and effect of mechanical weeding are poor, and at the same time, it is easy to damage rice seedlings and roots during operation. In addition, chemical weeding is still used due to its advantages of high weed control efficiency, convenient operation, and no damage to rice seedlings and roots. Therefore, developing a scientifically sound and reasonable dosage of liquid herbicides combined with a new type of mechanical weeding and cultivation method can provide technical support for significantly improving the quality of weeding and cultivation operations in paddy fields and ensuring the production of green and organic rice products. Summary of the Invention

[0003] The purpose of this invention is to address the problems existing in the prior art and, in combination with the actual needs of current paddy field weeding and cultivation operations, to develop and design a combined mechanical and pesticide application weeding and cultivation machine for paddy fields that utilizes liquid-driven hydraulic power. This machine aims to achieve high-quality weeding and cultivation, high weed mortality, low environmental pollution, low pesticide residues in crops, and no damage to rice seedlings and root systems.

[0004] The purpose of this invention is achieved as follows: A herbicide liquid tank, a pump assembly, a towerless liquid dispenser, a hydraulic solenoid valve, and an automatic control box assembly are sequentially installed on the upper part of the vehicle frame. A hydraulic sensor and a safety valve are installed on the outer top of the towerless liquid dispenser and are connected to its inner cavity. A weed detector is mounted on the upper end of the hydraulic solenoid valve. Both ends of liquid pipe A are connected to the outlet of the herbicide liquid tank and the inlet of the pump assembly, respectively. Both ends of liquid pipe B are connected to the outlet of the pump assembly and the inlet of the towerless liquid dispenser, respectively. Both ends of liquid pipe C are connected to… The liquid outlet of the towerless liquid supply unit and the liquid inlet of the hydraulic solenoid valve are located on the platform. A liquid-driven weeding unit is installed on the rear end of the traveling frame. The structure of the liquid-driven weeding unit is as follows: a base plate and a transverse track are fixed perpendicularly to each other on the lower end of the unit frame; a rack is fixed on the base plate; a Π-shaped frame is installed on the unit frame, located above the transverse track, and can be laterally moved; a slider is fixed on the inner wall of the rear side wall of the Π-shaped frame, and the slider is in a laterally movable snap-fit ​​engagement with the transverse track; the micro-screw linear module is fixed on the outer wall of the front side wall of the Π-shaped frame. A motor is fixedly mounted on the outer wall of the rear side of the frame, and a cylindrical gear is fixedly mounted on the motor shaft. The cylindrical gear meshes with a rack. A rigid tube is vertically fixed to the miniature lead screw linear module via a fixed tube clamp. The upper and lower ends of the elastic hose are respectively sealed and fixed to the outlet of the hydraulic solenoid valve and the upper end of the rigid tube. A sleeve is coaxially fixed to the lower end of the rigid tube, and a fixed blade is fixed to the outside of the sleeve. The rigid tube and the sleeve are radially and axially positioned and circumferentially rotatably mounted on a cylindrical shaft in the coaxial inner cavity. The lower end of the cylindrical shaft is located outside the lower end of the sleeve. A barrel-shaped nozzle is fixedly mounted on the lower end of the shaft. Moving blades and spiral blades are fixedly mounted sequentially from top to bottom on the outer wall of the barrel-shaped nozzle. The moving blades are located below the fixed blades and are in shear-fitting relationship with each other. A tangential through hole is opened on the bottom side wall of the barrel-shaped nozzle along the tangential direction, and the tangential through hole is inclined upward from the inside to the outside. The wires connect the automatic control box assembly to the liquid pump assembly, hydraulic sensor, hydraulic solenoid valve, micro lead screw linear module, motor and weed recognition sensor respectively. Thus, a mechanical and pesticide application combined weeding machine for paddy fields is formed by using liquid pesticide to drive the mechanical and pesticide application.

[0005] This invention combines mechanical weeding and chemical weeding techniques in paddy fields with herbicide-based weeding on a single machine. It employs a weed detection sensor to accurately locate and remove weeds at specific points, while simultaneously utilizing the flow of herbicide liquid to drive the rotation of the mechanical weeding components. This achieves an intelligent combination of hydraulically driven shearing and pulverizing mechanical weeding and chemical weeding via liquid delivery. It features a novel, unique, and rational structure, high efficiency in weeding and cultivation, high weed mortality, herbicide conservation, efficient herbicide utilization, low pesticide residues in crops, minimal environmental pollution, and no damage to seedlings or root systems. Attached Figure Description

[0006] Figure 1 This is a schematic diagram of the overall structure of a combined mechanical and pesticide application weeding and cultivation machine for paddy fields, driven by liquid pesticide.

[0007] Figure 2 yes Figure 1 The right-hand view;

[0008] Figure 3 yes Figure 1 A magnified view of a portion of the image;

[0009] Figure 4 yes Figure 2 A magnified view of a portion of the image;

[0010] Figure 5 yes Figure 3 Enlarged view of part A;

[0011] Figure 6 yes Figure 5 Sectional view along line B-B;

[0012] Figure 7 This is an enlarged schematic diagram of the assembly structure of the base plate, transverse track, Π-shaped frame, motor, cylindrical gear, transverse slider, and rack;

[0013] Figure 8 This is a three-dimensional schematic diagram of the overall structure of a combined mechanical and pesticide application weeding and tilling machine for paddy fields, driven by liquid pesticide.

[0014] Part number description in the image:

[0015] 1. Walking frame; 2. Herbicide liquid tank; 3. Liquid pipe A; 4. Liquid pump assembly; 5. Liquid pipe B; 6. Towerless liquid dispenser; 7. Hydraulic sensor; 8. Safety valve; 9. Weed detection sensor; 10. Liquid pipe C; 11. Hydraulic solenoid valve; 12. Automatic control box assembly; 13. Hydraulic-driven weeding unit; 13-1. Unit frame; 13-2. Π-shaped frame; 13-3. Transverse track; 13-4. Motor; 13-5. Sliding device. Block, 13-6, Cylindrical gear, 13-7, Rack, 13-8, Seat plate, 13-9, Rigid tube, 13-10, Fixed tube clamp, 13-11, Miniature lead screw linear module, 13-12, Flexible hose, 13-13, Cylindrical shaft, 13-14, Sleeve, 13-15, Fixed blade, 13-16, Moving blade, 13-17, Barrel nozzle, 13-18, Tangential through hole, 13-19, Helical blade. Detailed Implementation

[0016] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. A combined mechanical and pesticide application weeding machine for paddy fields, driven by liquid pesticide, includes a towerless liquid dispenser 6, a weed detection sensor 9, and a miniature lead screw linear module 13-11. A pesticide liquid tank 2, a pump assembly 4, a towerless liquid dispenser 6, a hydraulic solenoid valve 11, and an automatic control box assembly 12 are sequentially installed on the upper part of the walking frame 1. A hydraulic sensor 7 and a safety valve 8 are installed on the outer top of the towerless liquid dispenser 6 and communicate with its inner cavity. A weed detector 9 is mounted on the upper end of the hydraulic solenoid valve 11. The two ends of the liquid pipe A3 are connected to the outlet of the pesticide liquid tank 2 and the inlet of the pump assembly 4, respectively. The two ends of the liquid pipe B5 are connected to the outlet of the pump assembly 4 and the outlet of the towerless liquid dispenser 6, respectively. The inlet is connected, and the two ends of the liquid pipe C10 are respectively connected to the outlet of the towerless liquid supply device 6 and the inlet of the hydraulic solenoid valve 11; a liquid-driven weeding unit 13 is installed on the rear end of the traveling frame 1. The structure of the liquid-driven weeding unit 13 is as follows: a base plate 13-8 and a transverse track 13-3 are fixed perpendicularly to each other on the lower end of the unit frame 13-1, and a rack 13-7 is fixed on the base plate 13-8. A Π-shaped frame 13-2 is installed on the unit frame 13-1, above the transverse track 13-3, and can be moved laterally. A slider 13-5 is fixed on the inner wall of the rear side wall of the Π-shaped frame 13-2. The slider 13-5 and the transverse track 13-3 are engaged in a transversely movable snap-fit ​​cooperation. A miniature lead screw linear module 13-11 is fixedly mounted on the outer wall of the front side of the Π-shaped frame 13-2. A motor 13-4 is fixedly mounted on the outer wall of the rear side of the Π-shaped frame 13-2. A cylindrical gear 13-6 is fixedly mounted on the motor shaft of the motor 13-4, and the cylindrical gear 13-6 meshes with a rack 13-7. A rigid tube 13-9 is vertically fixed to the miniature lead screw linear module 13-11 via a tube clamp 13-10. The upper and lower ends of the flexible hose 13-12 are respectively sealed and fixedly connected to the outlet of the hydraulic solenoid valve 11 and the upper end of the rigid tube 13-9. A sleeve 13-14 is coaxially fixed to the lower end of the rigid tube 13-9. A fixed blade 13-15 is fixed to the outside of the sleeve 13-14. The tubular tube 13-9 and the sleeve 13-14 are coaxially positioned radially and axially and rotatably mounted on the cylindrical shaft 13-13. The lower end of the cylindrical shaft 13-13 is located outside the lower end of the sleeve 13-14. A barrel-shaped nozzle 13-17 is fixedly mounted on the lower end of the cylindrical shaft 13-13. A moving blade 13-16 and a spiral blade 13-19 are fixedly mounted sequentially from top to bottom on the outer wall of the barrel-shaped nozzle 13-17. The moving blade 13-16 is located below the fixed blade 13-15 and they are in shear fit with each other. A tangential through hole 13-18 is opened on the bottom side wall of the barrel-shaped nozzle 13-17 along the tangential direction, and the tangential through hole 13-18 is inclined upward from the inside to the outside.The wiring connects the automatic control box assembly 12 to the hydraulic pump assembly 4, the hydraulic sensor 7, the hydraulic solenoid valve 11, the miniature lead screw linear module 13-11, the motor 13-4, and the weed detection sensor 9, respectively.

[0017] During operation, the entire machine is pulled onto the rear of the traction power machinery and moved forward randomly. The barrel-type nozzle 13-17 is placed above the rice seedlings in the paddy field and moved forward. The automatic control box assembly 12 starts the liquid pump assembly 4, hydraulic sensor 7, hydraulic solenoid valve 11, micro screw linear module 13-11, motor 13-4, and weed recognition sensor 9 to enter the working state. According to the needs of weeding operations, the micro screw linear module 13-11, through the fixed pipe clamp 13-10 and rigid pipe 13-9, inserts the barrel-type nozzle 13-17 into the paddy field soil layer. At this time, the liquid pump assembly 4 sends the herbicide liquid in the herbicide liquid tank 2 into the towerless liquid dispenser 6 through liquid pipe A3 and liquid pipe B5. The herbicide liquid with increased pressure then flows through liquid pipe C. 10. The hydraulic solenoid valve 11, flexible hose 13-12, rigid pipe 13-9, and cylindrical shaft 13-13 enter the barrel cavity of the barrel nozzle 13-17 and spray out through the tangential through-hole 13-18. Under the reaction force of the liquid spray pressure, the barrel nozzle 13-17 drives the moving blade 13-16 to rotate in a circle. During the machine's forward movement, the blades work together with the fixed blade 13-15 to mechanically cut and crush the weeds in the paddy field. At the same time, the spiral blades 13-19 dig the weeds out of the paddy field mud layer and output them upwards, causing the weed roots to detach from the soil. Based on the upwardly inclined tangential through-hole 13-18, the sprayed herbicide liquid flows upwards, pushing the crushed weeds onto the surface of the paddy field soil and water layer, greatly improving the weed mortality rate. Simultaneously, the herbicide liquid is sprayed into the paddy field soil to implement and complete the herbicide weeding operation. During the weeding and tilling operation as the machine moves forward, the weed identification sensor 9 identifies the weeds and inputs their location to the automatic control box assembly 12. The automatic control box assembly 12, via the starter motor 13-5, drives the rotating cylindrical gear 13-6, rack 13-7, Π-shaped frame 13-2, micro lead screw linear module 13-11, fixed pipe clamp 13-10, rigid pipe 13-9, and cylindrical shaft 13-13 to move the barrel-type nozzle 13-17, moving blade 13-16, and fixed blade 13-15 laterally to the weed location on the individual frame 13-1, completing the intelligent positioning and weeding operation. The hydraulic sensor 7 monitors the pressure inside the towerless liquid supply unit 6 and automatically adjusts the operation of the liquid pump assembly 4 via the automatic control box assembly 12. The safety valve 8 effectively ensures the safe operation of the towerless liquid supply unit 6. The hydraulic solenoid valve 11 automatically controls, via the automatic control box assembly 12, whether the herbicide liquid after pressure increase enters the elastic hoses 13-12.

Claims

1. A mechanical and pesticide application combined weeding and tillage machine for paddy fields, driven by liquid pesticide, comprising a towerless liquid dispenser (6), a weed identification sensor (9), and a miniature lead screw linear module (13-11), characterized in that: The herbicide liquid tank (2), the pump assembly (4), the towerless liquid dispenser (6), the hydraulic solenoid valve (11), and the automatic control box assembly (12) are sequentially installed on the upper part of the walking frame (1). The hydraulic sensor (7) and the safety valve (8) are installed on the outside of the top of the towerless liquid dispenser (6) and are interconnected with the inner cavity of the towerless liquid dispenser (6). The weed identification sensor (9) is installed on the upper end of the hydraulic solenoid valve (11). The two ends of the liquid pipe A (3) are respectively connected to the outlet of the herbicide liquid tank (2) and the pump assembly (4). The inlet of the liquid pipe is connected to the liquid outlet of the liquid pump assembly (4) and the inlet of the towerless liquid supply device (6), respectively. The two ends of the liquid pipe C (10) are connected to the outlet of the towerless liquid supply device (6) and the inlet of the hydraulic solenoid valve (11), respectively. A liquid-driven weeding unit (13) is installed on the rear end of the walking frame (1). The structure of the liquid-driven weeding unit (13) is as follows: a seat plate (13-8) and a transverse track (13-3) are fixed perpendicularly to each other on the lower end of the unit frame (13-1). A rack (13-7) is fixedly mounted on a base plate (13-8). A Π-shaped frame (13-2) is laterally movable and mounted on the single frame (13-1) above the transverse track (13-3). A slider (13-5) is fixedly mounted on the inner wall of the rear side wall of the Π-shaped frame (13-2). The slider (13-5) and the transverse track (13-3) are in a laterally movable snap-fit ​​engagement. The miniature lead screw linear module (13-11) is fixedly mounted on the outer wall of the front side wall of the Π-shaped frame (13-2). A motor (13-4) is fixedly mounted on the outer wall of the rear side of the Π-shaped frame (13-2). A cylindrical gear (13-6) is fixedly mounted on the motor shaft of the motor (13-4). The cylindrical gear (13-6) meshes with the rack (13-7). A rigid tube (13-9) is vertically fixed on the micro screw linear module (13-11) through a tube clamp (13-10). The upper and lower ends of the elastic hose (13-12) are respectively sealed and fixed to the outlet of the hydraulic solenoid valve (11) and the upper end of the rigid tube (13-9).A fixed sleeve (13-14) is coaxially mounted on the lower end of the rigid tube (13-9). A fixed blade (13-15) is mounted on the outside of the fixed sleeve (13-14). The fixed blade (13-15) is radially and axially positioned and rotatably mounted on the cylindrical shaft (13-13) in the inner cavity coaxial with the rigid tube (13-9) and the sleeve (13-14). The lower end of the cylindrical shaft (13-13) is located outside the lower end of the sleeve (13-14). A barrel-shaped nozzle (13-17) is fixed on the lower end of the cylindrical shaft (13-13). A moving blade (13-16) and a spiral blade (13-17) are fixed on the outer wall of the barrel-shaped nozzle (13-17) from top to bottom. 3-19), the moving blade (13-16) is located below the fixed blade (13-15) and they are in shearing fit with each other. A tangential through hole (13-18) is opened on the bottom side wall of the barrel nozzle (13-17) along the tangential direction, and the tangential through hole (13-18) is inclined upward from the inside to the outside. The wires connect the automatic control box assembly (12) to the liquid pump assembly (4), the hydraulic sensor (7), the hydraulic solenoid valve (11), the micro lead screw linear module (13-11), the motor (13-4), and the weed identification sensor (9), respectively. The number of liquid-driven weeding units (13) installed on the rear end of the walking frame (1) is 3.

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