Intermittent vertical liquid fertilizer deep hole application mechanism

Abstract

An intermittent vertical liquid fertilizer deep hole-piercing mechanism comprises a frame, four ground wheels are provided at the bottom of the frame, and a fertilizer spraying system, a transmission system and a control system are provided on the frame; the fertilizer spraying system comprises a reducer, a plunger pump, a fertilizer tank and a fertilizer spraying needle, and the power output shaft of the reducer is connected to the power input end of the plunger pump through a transmission assembly; in summary, in order to ensure that the hole-piercing fertilization mechanism achieves the requirement of vertical hole-piercing, the present invention designs an intermittent vertical liquid fertilizer deep hole-piercing mechanism based on a non-circular gear-connecting rod mechanism, which achieves vertical hole-piercing, reduces the hole opening width, prevents excessive volatilization of liquid fertilizer, and improves fertilization operation performance.

Description

Technical Field

[0001] The invention belongs to the technical field of agricultural machinery, and in particular relates to an intermittent vertical liquid fertilizer deep-application hole-piercing mechanism. Background Art

[0002] Deep hole application of liquid fertilizer is a technique that precisely applies liquid fertilizer near the roots of crops. Compared to traditional solid fertilizer application techniques, it offers numerous advantages, including high fertilizer utilization and reduced environmental pollution. Existing methods for deep hole application of liquid fertilizer prevent the holes from being inserted vertically into the soil, resulting in excessive hole widths, which can lead to excessive evaporation of the liquid fertilizer and affect crop growth. Summary of the Invention

[0003] The purpose of the present invention is to provide an intermittent vertical liquid fertilizer deep hole-drilling mechanism to solve the technical problem in the prior art that liquid fertilizer cannot be drilled into the soil in a vertical posture during deep hole-drilling, resulting in excessive hole width and excessive volatilization of the liquid fertilizer.

[0004] To achieve the above-mentioned purpose, the present invention provides a technical solution for an intermittent vertical liquid fertilizer deep-hole application mechanism:

[0005] An intermittent vertical liquid fertilizer deep-hole-applying mechanism comprises a frame, four ground wheels are provided at the bottom of the frame, and a fertilizer spraying system, a transmission system, and a control system are provided on the frame;

[0006] The fertilizer spraying system includes a reducer, a plunger pump, a fertilizer tank and a fertilizer spraying needle. The power output shaft of the reducer is connected to the power input end of the plunger pump through a transmission assembly. The fertilizer tank is connected to the liquid input end of the plunger pump through a first fertilizer pipe. The liquid output end of the plunger pump is connected to the fertilizer spraying needle through a second fertilizer pipe. A solenoid valve is provided on the second fertilizer pipe.

[0007] The transmission system includes a main non-circular gear, a sub-non-circular gear, a main cylindrical gear, an idler gear, a sub-cylindrical gear, and a planar four-bar mechanism; the main non-circular gear is fixed to a rotating shaft, a pulley is also fixed to the rotating shaft, the axle of one of the ground wheels is connected to the pulley via a transmission belt, the main non-circular gear and the sub-non-circular gear are meshed, the main cylindrical gear and the sub-non-circular gear rotate coaxially, the main cylindrical gear is meshed with the idler gear, and the idler gear is meshed with the sub-cylindrical gear;

[0008] The planar four-bar mechanism includes a mounting frame, a crossbar and a connecting rod, the crossbar is connected between the mounting frame and the connecting rod, the mounting frame is fixed on the shaft of the secondary cylindrical gear, the connecting rod is fixed on the shaft of the main cylindrical gear, and the fertilizer spraying needle is installed on the mounting frame;

[0009] A vertical shaft is rotatably mounted on the mounting frame, and a first bevel gear and a second bevel gear are provided at both ends of the vertical shaft. A third bevel gear is fixed to the end of the shaft connected to the sub-cylindrical gear. The fertilizer spraying needle is rotatably mounted on the mounting frame through a short shaft, and a fourth bevel gear is fixed on the short shaft. The first bevel gear is meshed with the third bevel gear, and the second bevel gear is meshed with the fourth bevel gear.

[0010] The control system includes a single chip microcomputer, a power supply, a relay and a strain gauge; the solenoid valve is connected to the relay through a wire, and the single chip microcomputer is connected to the power supply, the strain gauge, the relay and the solenoid valve through a wire.

[0011] The transmission assembly includes a main bevel gear and a transmission shaft. The transmission shaft is rotatably mounted on the frame. A secondary bevel gear is provided on the transmission shaft. The main bevel gear is mounted on the power output shaft of the reducer. The main bevel gear is meshed with the secondary bevel gear. The transmission shaft is connected to the power input end of the plunger pump through a transmission belt.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention provides power to the reducer through the tractor, the reducer provides pressure to the plunger pump through the main bevel gear, the sub-main gear and the transmission belt, the fertilizer tank provides liquid fertilizer to the plunger pump, and the plunger pump is connected to the solenoid valve and the fertilizer spraying needle through the fertilizer pipe. The ground wheel rotates in contact with the ground, and the wheel shaft connected to the ground wheel drives the main non-circular gear to rotate through the transmission belt. The main non-circular gear and the secondary non-circular gear mesh with each other to achieve variable speed rotation. The main cylindrical gear is fixed to the secondary non-circular gear. The main cylindrical gear meshes with the idler gear and the secondary cylindrical gear to perform variable speed motion, driving the planar four-bar mechanism to realize the vertical posture piercing action of the fertilizer spraying needle according to the operating speed. When the fertilizer spraying needle contacts the soil, it is deformed by force, and the strain gauge attached to the fertilizer spraying needle is deformed and sends a signal. After receiving the signal, the single-chip microcomputer controls the relay to attract, the solenoid valve to open, and fertilizer spraying is carried out. After the fertilizer spraying needle leaves the soil, the deformation disappears, the single-chip microcomputer receives the control relay and disconnects, the solenoid valve is closed, and fertilizer spraying is completed. The entire device realizes intermittent fertilizer spraying. In order to ensure that the piercing fertilization mechanism can achieve the requirement of vertical posture piercing, an intermittent vertical posture liquid fertilizer deep piercing mechanism is designed based on the non-circular gear-connecting rod mechanism. The vertical posture piercing is realized, the hole width is reduced, the excessive volatilization of liquid fertilizer is prevented, and the fertilization operation performance is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic structural diagram of the intermittent vertical liquid fertilizer deep-application acupuncture mechanism provided by the present invention;

[0014] Figure 2 This is a schematic diagram of the installation of the mounting frame and fertilizer spraying needle;

[0015] Figure 3 1 is a circuit diagram of the present invention. DETAILED DESCRIPTION

[0016] In order to make the objectives, technical solutions, and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only intended to explain the present invention and are not intended to limit the present invention. That is, the embodiments described herein are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and illustrated in the drawings herein may be arranged and designed in various different configurations.

[0017] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely intended to represent selected embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative work are within the scope of protection of the present invention.

[0018] It should be noted that relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further limitations, the elements defined by the sentence "including a..." do not exclude the process or method that includes the elements.

[0019] In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0020] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "provided with" and "provided with" should be understood in a broad sense. For example, the object "provided with" may be a part of the main body, or may be arranged separately from the main body and connected to the main body. The connection may be detachable or non-detachable. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0021] The present invention is described in further detail below with reference to the examples.

[0022] Specific embodiments of the intermittent vertical liquid fertilizer deep-application acupuncture mechanism provided by the present invention include:

[0023] like Figure 1-3 As shown, an intermittent vertical liquid fertilizer deep hole-applying mechanism comprises a frame 1, four ground wheels 2 are provided at the bottom of the frame 1, and a fertilizer spraying system, a transmission system and a control system are provided on the frame 1;

[0024] The fertilizer spraying system includes a reducer 3, a plunger pump 4, a fertilizer tank 5 and a fertilizer spraying needle 6. The power output shaft of the reducer 3 is connected to the power input end of the plunger pump 4 through a transmission assembly. The fertilizer tank 5 is connected to the liquid input end of the plunger pump 4 through a first fertilizer pipe. The liquid output end of the plunger pump 4 is connected to the fertilizer spraying needle 6 through a second fertilizer pipe. The second fertilizer pipe is provided with a solenoid valve 7.

[0025] The transmission system includes a main non-circular gear 8, a secondary non-circular gear 9, a main cylindrical gear 10, an idler gear 11, a secondary cylindrical gear 12, and a planar four-bar mechanism 13. The main non-circular gear 8 is fixed to a rotating shaft, to which a pulley is also fixed. The axle of one of the ground wheels 2 is connected to the pulley via a transmission belt. The main non-circular gear 8 and the secondary non-circular gear 9 are meshed. The main cylindrical gear 10 and the secondary non-circular gear 9 rotate coaxially. The main cylindrical gear 10 is meshed with the idler gear 11, and the idler gear 11 is meshed with the secondary cylindrical gear.

[0026] The planar four-bar mechanism 13 includes a mounting frame 20, a crossbar 21 and a connecting rod 22. The crossbar 21 is connected between the mounting frame 20 and the connecting rod 22. The mounting frame 20 is fixed on the shaft of the secondary cylindrical gear 12. The connecting rod 22 is fixed on the shaft of the main cylindrical gear 10. The fertilizer spraying needle 6 is installed on the mounting frame 20.

[0027] A vertical shaft is rotatably mounted on the mounting frame 20, and a first bevel gear 23 and a second bevel gear 24 are provided at both ends of the vertical shaft. A third bevel gear 25 is fixed to the end of the shaft connected to the sub-cylindrical gear 12. The fertilizer needle 6 is rotatably mounted on the mounting frame 20 through a short shaft, and a fourth bevel gear 26 is fixed on the short shaft. The first bevel gear 23 is meshed with the third bevel gear 25, and the second bevel gear 24 is meshed with the fourth bevel gear 26.

[0028] The control system includes a single chip microcomputer, a power supply, a relay and a strain gauge; the solenoid valve 7 is connected to the relay through a wire, and the single chip microcomputer is connected to the power supply, the strain gauge, the relay and the solenoid valve 7 through a wire.

[0029] The transmission assembly includes a main bevel gear 15 and a transmission shaft. The transmission shaft is rotatably mounted on the frame 1. A secondary bevel gear 16 is provided on the transmission shaft. The main bevel gear 15 is mounted on the power output shaft of the reducer 3. The main bevel gear 15 is meshed with the secondary bevel gear 16. The transmission shaft is connected to the power input end of the plunger pump 4 through a transmission belt.

[0030] During deep fertilization operation, the tractor power output shaft is connected to the reducer 3, and pressure is provided to the plunger pump 4 through the main bevel gear 15, the auxiliary main gear and the transmission belt. The fertilizer tank 5 provides liquid fertilizer to the plunger pump 4, and the plunger pump 4 is connected to the solenoid valve 7 and the fertilizer spraying needle 6 through the fertilizer pipe. The ground wheel 2 rotates in contact with the ground, and the wheel shaft connected to the ground wheel 2 drives the main non-circular gear 8 to rotate through the transmission belt. The main non-circular gear 8 and the sub-non-circular gear 9 are engaged with each other to realize variable speed rotation. The main cylindrical gear 10 is fixedly connected with the sub-non-circular gear 9. The main cylindrical gear 10 is engaged with the idler gear 11 and the sub-cylindrical gear 12 to perform variable speed movement, driving the planar four-bar mechanism to realize the vertical posture piercing action of the fertilizer needle 6 according to the operating speed. After the fertilizer needle 6 contacts the soil, it is deformed by the force, and the strain gauge attached to the fertilizer needle 6 is deformed and sends a signal. After receiving the signal, the single-chip microcomputer controls the relay to attract, and the solenoid valve 7 is opened to spray fertilizer. After the fertilizer needle 6 leaves the soil, the deformation disappears, the single-chip microcomputer receives the control relay to disconnect, and the solenoid valve 7 is closed to complete the fertilizer spraying. The overall device realizes intermittent fertilizer spraying.

Claims

1. An intermittent vertical liquid fertilizer deep hole application mechanism, characterized in that: The utility model comprises a vehicle frame, the bottom of which is provided with four ground wheels, and the vehicle frame is provided with a fertilizer spraying system, a transmission system and a control system; The fertilizer spraying system includes a reducer, a plunger pump, a fertilizer tank and a fertilizer spraying needle. The power output shaft of the reducer is connected to the power input end of the plunger pump through a transmission assembly. The fertilizer tank is connected to the liquid input end of the plunger pump through a first fertilizer pipe. The liquid output end of the plunger pump is connected to the fertilizer spraying needle through a second fertilizer pipe. A solenoid valve is provided on the second fertilizer pipe. The transmission system includes a main non-circular gear, a sub-non-circular gear, a main cylindrical gear, an idler gear, a sub-cylindrical gear, and a planar four-bar mechanism; the main non-circular gear is fixed to a rotating shaft, a pulley is also fixed to the rotating shaft, the axle of one of the ground wheels is connected to the pulley via a transmission belt, the main non-circular gear and the sub-non-circular gear are meshed, the main cylindrical gear and the sub-non-circular gear rotate coaxially, the main cylindrical gear is meshed with the idler gear, and the idler gear is meshed with the sub-cylindrical gear; The planar four-bar mechanism includes a mounting frame, a crossbar and a connecting rod, the crossbar is connected between the mounting frame and the connecting rod, the mounting frame is fixed on the shaft of the secondary cylindrical gear, the connecting rod is fixed on the shaft of the main cylindrical gear, and the fertilizer spraying needle is installed on the mounting frame; A vertical shaft is rotatably mounted on the mounting frame, and a first bevel gear and a second bevel gear are provided at both ends of the vertical shaft. A third bevel gear is fixed to the end of the shaft connected to the sub-cylindrical gear. The fertilizer spraying needle is rotatably mounted on the mounting frame through a short shaft, and a fourth bevel gear is fixed on the short shaft. The first bevel gear is meshed with the third bevel gear, and the second bevel gear is meshed with the fourth bevel gear. The control system includes a single-chip microcomputer, a power supply, a relay and a strain gauge; the strain gauge attached to the fertilizer spraying needle deforms and sends a signal. After receiving the signal, the single-chip microcomputer controls the relay to close, the solenoid valve to open, and fertilizer spraying is carried out. After the fertilizer spraying needle leaves the soil, the deformation disappears, the single-chip microcomputer receives the control relay and disconnects, and the solenoid valve is closed. The solenoid valve and the relay are connected by wires, and the single-chip microcomputer is connected to the power supply, strain gauge, relay and solenoid valve through wires.

2. The intermittent vertical liquid fertilizer deep acupuncture mechanism according to claim 1, characterized in that: The transmission assembly includes a main bevel gear and a transmission shaft. The transmission shaft is rotatably mounted on the frame. A secondary bevel gear is provided on the transmission shaft. The main bevel gear is mounted on the power output shaft of the reducer. The main bevel gear is meshed with the secondary bevel gear. The transmission shaft is connected to the power input end of the plunger pump through a transmission belt.

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