WO2017071272A1

WO2017071272A1 - Air-flow type deep digging and deep fertilization system

Info

Publication number: WO2017071272A1
Application number: PCT/CN2016/087539
Authority: WO
Inventors: 吴福成; 李翔宇; 刘小明; 李涛
Original assignee: 四川天本生物技术有限公司
Priority date: 2015-10-29
Filing date: 2016-06-28
Publication date: 2017-05-04
Also published as: CN105409413A; CN105409413B

Abstract

Disclosed is an air-flow type deep digging and deep fertilization system, comprising a digging and fertilization work gun (8) for inserting into soil and an air-flow type powder and particle fertilizer supply device for delivering the powder and the particle fertilizer into the fertilizer entry port of the digging and fertilization work gun. The air-flow type powder and particle fertilizer supply device comprises an air compressor (2) and a first grade feed delivery pipe (10) connected to the air outlet of the air compressor (2). The first grade feed delivery pipe (10) is provided with a feeder (11) for sucking the material through a Venturi structure. The system can solve the problems of deep digging and deep fertilization of soil and inconvenient long-distance delivery of powder and particle fertilizer, and is not only suitable for large-scale cultivation on plains, but is also suitable for decentralized areas, such as mountains, hills and the like. The system is easy to move, has a large delivery volume, does not compact soil, and can effectively mix fertilizer powder and particles with soil.

Description

Airflow deep loose deep system

Technical field

The invention belongs to the field of modern agricultural power equipment, and particularly relates to an airflow type deep and deep application system.

Background technique

In the agricultural operation, because the fertilizer has a solid nature, the liquid transportation method is not suitable. In the prior art, the transportation of the powder fertilizer is mainly carried by a transport vehicle such as a tractor, a tricycle or a pallet truck. The transportation method requires high infrastructure and requires good road traffic. At the same time, it cannot be maneuvered, which may cause damage to the cultivated land or serious degree of compaction. Moreover, if it is on a hillside or a hilly area, the motor vehicle or rickshaw is inconvenient to walk, and can only be transported by manpower, which is not only small in volume, low in efficiency, but also incapable of accurately transporting the granular fertilizer to a place where fertilization is required; Granular solid fertilizer is troublesome, can not achieve mechanized automatic loading and unloading, and work efficiency is low. On the other hand, the existing deep application of powdered fertilizer is generally carried out by tractor (mostly using artificial) to spread the fertilizer powder on the surface, and then use rotary tillage. Machines or tractors are rotted or ploughed into the soil. There are no mobile soil deep-slung deep-application technologies and their complete sets of equipment.

Therefore, it is necessary to improve the existing powdered fertilizer transportation and deep application methods, so that it can solve the problem of deep soil deep application and long-distance transportation of powdered fertilizer, which is not only suitable for scale-scale farming, but also suitable for mountainous areas. Hilly and other scattered plots, powder fertilizer transport system is easy to move, does not compact the soil, large amount of transport, deep loose system power requirements are not high, small size, light weight, flexible action, small soil compaction, can make fertilizer powder The granules are more effectively mixed with the soil and have less damage to the roots of the growing plants.

Summary of the invention

The object of the present invention is to provide an airflow type deep deep application system capable of solving deep and deep soil application The problem of long-distance transport with powdered fertilizers is not only applicable to large-scale farming in the plains, but also suitable for scattered plots such as mountains and hills. The silty fertilizer conveying system is easy to move, does not compact the soil, and has a large conveying capacity. The requirements are not high, the volume is small, the weight is light, the action is flexible, the soil compaction is small, the fertilizer powder and the soil can be effectively mixed, and the root system of the growing plant is less damaged.

The airflow deep-slung deep application system of the present invention comprises a loose-action working gun and an airflow type granular fertilizer supply device for conveying the granular fertilizer to the fertilizer inlet of the loose-action working gun, the airflow type granular fertilizer The supply device comprises an air compressor and a primary feed pipe connected to the air outlet of the air compressor, the primary feed pipe being provided with a feeder for sucking material through the venturi structure;

Further, the loosening work gun is provided with an air flow passage and a fertilizer passage for feeding the granular fertilizer, the air flow passage is a venturi structure, and the fertilizer outlet of the fertilizer passage is connected with the contraction region of the air flow passage;

Further, the airflow type granular fertilizer supply device further comprises a hopper and a secondary feed pipe, the first feed pipe outlet is connected to the feed port of the hopper; the air inlet of the secondary feed pipe is connected to the air a press inlet of the press and a pipe inlet connected to the discharge port at the bottom of the hopper at the pipe wall of the secondary feed pipe;

Further, the airflow type granular fertilizer supply device further comprises a gas-solid separator inlet connected to the outlet of the secondary feed pipe for separating the granular fertilizer delivered by the airflow and the powder The fertilizer is delivered to the inlet of the fertilizer channel of the Matsushita machine gun;

Further, an air duct is connected between the air outlet of the air compressor and the inlet of the air flow passage of the loosening work gun;

Further, a coiler for winding the pipeline is disposed on the air duct and the secondary feed pipe;

The airflow deep-slung deep-drawing system of the present invention further includes a loose-moving work vehicle that can move autonomously to the work area, and the body of the loose-working work vehicle is provided with a mechanical arm for clamping the loosening work gun into the soil; The vehicle body is further provided with a soil detector for collecting soil information, and a processing unit for simultaneously connecting the signal to the soil detector and the robot arm; the processing unit receives the soil information collected by the soil detector to generate a control signal for the action of the robot arm;

Further, the mechanical arm includes a support plate that is coupled to the vehicle body in a liftable manner, a swing arm rotatably coupled to the support plate, and a drive arm; the drive arm is axially extendable and the outer end is hinged to The swing arm is configured to drive the swing arm to swing in a horizontal plane; the loose work gun is fixed to the swing arm in a vertical direction; a lift cylinder is connected between the support plate and the vehicle body, and the swing arm includes a swing cylinder. The driving arm includes a driving cylinder, the driving cylinder block is rotatably connected to the supporting plate, and the outer end of the driving cylinder piston rod is hinged to the swinging cylinder block;

Further, the outer end of the swing arm is fixedly provided with a pneumatic raft for causing the loosening work gun to vibrate in a vertical direction, and the loosening work gun is fixed to the outer end of the pneumatic piston rod;

Further, the vehicle body is further provided with a gas buffer tank, the inlet of the gas buffer tank is connected to the air duct, and the outlet of the gas buffer tank is connected to the air channel entrance of the loosening work gun.

The beneficial effects of the present invention are: the airflow type deep deep system of the present invention, the air flow generated by the air compressor is transmitted through the primary conveying pipe, and the feeder disposed in the primary conveying pipe has a venturi structure The flow channel is connected to the primary feed pipe, and the feeder is further provided with a feed passage communicating with the flow passage, and the feed passage is connected with the storage tank of the powder transport vehicle, and the negative pressure is utilized. The powder in the storage tank is sucked into the primary feeding pipe and transported to the loose-action working gun through the airflow; therefore, the problem of long-distance transportation of the granular fertilizer is solved, so that the system can be applied not only to plain large-scale farming, but also to the system. Suitable for scattered plots such as mountains and hills.

DRAWINGS

The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments:

Figure 1 is a schematic view of the connection of the present invention;

Figure 2 is a perspective view of the Matsui work vehicle of the present invention;

Figure 3 is a front elevational view of the Matsushita work vehicle of the present invention;

Figure 4 is a plan view of Figure 3.

detailed description

1 is a schematic view of the connection of the present invention; FIG. 2 is a perspective view of the loose-working work vehicle of the present invention; FIG. 3 is a front view of the loose-moving work vehicle of the present invention; , Ben The airflow deep-deep deep application system of the embodiment comprises a loose-action working gun 8 and an airflow type granular fertilizer supply device for conveying the granular fertilizer to the fertilizer inlet of the loose-action working gun 8, the airflow type powder The granular fertilizer supply device comprises an air compressor 2 and a primary feed pipe 10 connected to the air outlet of the air compressor 2, the primary feed pipe 10 being provided with a feeder 11 for sucking material through a venturi structure. The feeder 11 has a flow path of a venturi structure and connects the flow path to the primary feed pipe 10, and the feeder 11 is further provided with a feed passage communicating with the flow passage thereof, the feed passage and the powder The storage tank of the material transport vehicle 1 is connected, and the powder in the storage tank is sucked into the primary feed pipe 10 by the negative pressure and transported to the loose-action working gun 8 through the air flow; therefore, the long-distance transportation of the granular fertilizer is solved. The problem is that the system can be applied not only to plain large-scale farming, but also to scattered plots such as mountains and hills.

In this embodiment, the loosening work gun 8 is provided with an air flow passage and a fertilizer passage for feeding the granular fertilizer, the air flow passage is a venturi structure, the fertilizer outlet of the fertilizer passage and the air flow passage The constriction zone is connected, and the airflow passage is a venturi structure, which can accelerate the flow of the airflow, and at the same time, the fertilizer outlet and the fertilizer outlet of the fertilizer passage communicate with the contraction zone of the airflow passage, and the high-pressure jet airflow flowing through the airflow passage The powdered fertilizer forms a negative pressure suction material, so that the powdered fertilizer and the high-pressure jet airflow are mixed in the airflow passage, and then enter the soil along with the high-pressure jet airflow to achieve the purpose of deep application.

In this embodiment, the airflow type granular fertilizer supply device further includes a hopper 5 and a secondary feed pipe 4, and the outlet of the primary feed pipe 10 is connected to the feed port of the hopper 5, and passes through the primary feed pipe. The transported fertilizer is stored in the hopper 5; the air inlet of the secondary feed pipe 4 is connected to the air outlet of the air compressor 2, and the pipe wall of the secondary feed pipe 4 is also provided with the bottom of the hopper 5 The fertilizer inlet connected to the material inlet, the discharge port at the bottom of the hopper 5 can be provided with a valve for controlling its opening and closing. The valve can be controlled by a PLC and the PLC can be controlled by the PLC. After the electromagnetic valve is opened, the granular fertilizer depends on its own gravity or negative pressure. It is sucked into the secondary feed pipe 4, and the secondary feed pipe 4 is used for conveying the granular fertilizer.

In this embodiment, the airflow type granular fertilizer supply device further comprises a gas-solid separator 7, the inlet of the gas-solid separator 7 is connected with the outlet of the secondary feed pipe 4, and is used for separating the powder conveyed by the airflow. Pelletized fertilizer and transported the granular fertilizer to the inlet of the fertilizer channel of the loosening work gun 8 to complete the soil Fertilization operation.

In this embodiment, an air duct 3 is connected between the air outlet of the air compressor 2 and the inlet of the air flow passage of the loose-action working gun 8, and a four-way joint can be arranged at the air outlet of the air compressor 2 to make the air compressor 2 The air outlets are respectively connected to the primary conveying pipe 10, the secondary conveying pipe 4 and the air conveying pipe 3, which can effectively simplify the number of components of the system.

In this embodiment, the air duct 3 and the secondary feed pipe 4 are respectively provided with a coiler 6 for winding the pipeline, and the wind deflector 6 can adjust the air supply according to the distance between the fertilization position and the hopper 5. The length of the tube 3 and the secondary delivery tube 4.

The airflow deep-slung deep-drawing system of the present embodiment further includes a loose-moving work vehicle that can be autonomously moved to the work area, and the body 19 of the loose-working work vehicle is provided with a mechanical arm for clamping the loosening work gun 8 into the soil. The work vehicle can be moved to the soil position where deep application is required, and the existing agricultural machinery can solve the problem of large power, low efficiency, poor operation effect, compaction of the soil, damage to the root system of the crop, and lack of intelligence and other defects. The mechanical arm is used to clamp the loose-action working gun 8 to insert the soil into the deep application, the loose soil fertilization effect is good, the work efficiency is high, and the small size can be applied to various terrain conditions. The working trolley of the embodiment can be on the vehicle body 19 A plurality of mechanical arms are arranged, and each of the mechanical arms is clamped with a loose-action working gun 8, which can realize multi-point operation at the same time, and less affects the root growth of the plants during the operation, thereby achieving uniform loosening and fertilization effects, and improving Soil fertility and drought-resistant water storage capacity; the vehicle body 19 is further provided with a soil detector for collecting soil information, and a processing unit for simultaneously connecting the signal to the soil detector and the mechanical arm. The processing unit receives the soil information collected by the soil detector to generate a control signal for the action of the robot arm, and the processing unit can determine the soil compaction degree, the tillage layer moisture, the organic matter content, and the nitrogen information according to the soil information detected by the detector. Content, EC, pH, etc., to determine the technical solution for soil loosening and fertilization, that is, how much depth and width should be used for loosening and fertilizing operations to ensure a more favorable soil environment for plants; soil detectors The existing soil moisture detector, sudden pressure detector or soil nutrient detector can be used to determine the soil fertilization operation plan according to the humidity, pressure or nutrient data of the soil.

In this embodiment, the mechanical arm includes a support plate that is connected to the vehicle body 19 in a liftable manner. a swing arm coupled to the support plate and a drive arm; the drive arm is axially extendable and the outer end is hinged to the swing arm for driving the swing arm to swing in a horizontal plane; The vertical direction is fixed to the swing arm; the lifting plate 15 is connected between the support plate and the vehicle body 19, the swing arm includes a swinging cylinder 14, the driving arm includes a driving cylinder 13, and the driving cylinder 13 can be Rotating and connecting to the support plate, the outer end of the piston rod of the driving cylinder 13 is hinged to the cylinder of the swinging cylinder 14; the bottom of the cylinder of the lifting cylinder 15 is fixed by bolting with the trolley body 19, and the piston rod is connected with the supporting plate to drive the cylinder 13 and swing The cylinders 14 are rotatably connected to the support plate through the pin shaft and the bearing. When performing the deep application operation, the horizontal position of the loosening work gun 8 is first adjusted by the driving cylinder 13 and the swing arm cylinder, and the lifting operation is performed by the lifting cylinder 15. The gun 8 is inserted into the soil for fertilization.

In this embodiment, the outer end of the swing arm is fixedly provided with a pneumatic raft 12 for vibrating the loosening working gun 8 in a vertical direction, and the loosening working gun 8 is fixed to the outer end of the piston rod of the pneumatic raft 12, and the air enthalpy 12 is a device that uses compressed air to repeatedly impact the piston into the head. The existing air pump 12 is generally composed of an impact mechanism, a gas distribution mechanism, a brazing material, etc., and the impact hammer repeatedly moves along a cylinder in the impact mechanism during operation. Impact, the top of the brazing top can achieve the purpose of crushing the soil on the construction surface.

In this embodiment, the vehicle body 19 is further provided with a gas buffer tank 17, the inlet of the gas buffer tank 17 is connected to the air duct 3, and the outlet of the gas buffer tank 17 is connected to the loose work gun 8. At the inlet of the air flow passage, the gas supplied from the air compressor 2 enters the gas buffer tank 17, which ensures a stable supply of air during deep operation.

The bottom of the work vehicle of the embodiment is provided with a driving wheel 18 and a pneumatic motor for driving the driving wheel 18 to rotate. The control unit is connected to the air motor for controlling the start and stop of the driving wheel 18, and the working vehicle of the embodiment The driving power, the motive power of the robot arm, and the working power of the loose-loading machine are all performed by pneumatic devices. Therefore, only the compressed air generating device such as the air compressor 2 can provide power for all the movements of the trolley, thereby simplifying the structure of the trolley. Improve the reliability of their work.

The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to be limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art Modification or equivalent replacement without departing from the teachings of the present invention The spirit and scope of the invention are intended to be included within the scope of the appended claims.

Claims

An airflow deep-deep deep application system, comprising: a loose-action working gun for inserting soil and an airflow type granular fertilizer supply device for conveying the granular fertilizer to the fertilizer inlet of the loose-action working gun The airflow type granular fertilizer supply device comprises an air compressor and a primary feed pipe connected to the air outlet of the air compressor, and the primary feed pipe is provided with a feeder that absorbs material through the venturi structure .
The airflow deep-slung deep-drawing system according to claim 1, wherein the loose-action working gun is provided with an air flow passage and a fertilizer passage for feeding the granular fertilizer, and the air flow passage is a venturi structure. The fertilizer outlet of the fertilizer passage is in communication with the constricted region of the gas flow passage.
The airflow deep-slung deep application system according to claim 1, wherein the airflow type granular fertilizer supply device further comprises a hopper and a secondary feed pipe, and the first-stage feed pipe outlet is connected to the hopper The inlet port of the secondary feed pipe is connected to the air outlet of the air compressor, and the pipe wall of the secondary feed pipe is further provided with a fertilizer inlet connected to the discharge port at the bottom of the hopper.
The airflow deep-slung deep application system according to claim 2, wherein the airflow type granular fertilizer supply device further comprises a gas-solid separator, the gas-solid separator inlet and the outlet of the secondary feed pipe The connection is used to separate the granular fertilizer delivered by the airflow and deliver the granular fertilizer to the inlet of the fertilizer channel of the loose work gun.
The airflow deep-slung deep-drawing system according to claim 2, characterized in that: the air duct is connected between the air outlet of the air compressor and the inlet of the air flow passage of the loose-action working gun.
The airflow deep-slung deep application system according to claim 5, wherein the air duct and the secondary feed pipe are provided with a coiler for winding the pipeline.
The airflow type deep-slung deep-drawing system according to claim 1, further comprising: a loose-working work vehicle that can be autonomously moved to a work area, wherein the body of the loose-working work vehicle is provided with a clamping work a mechanical arm inserted into the soil; the vehicle body is further provided with a soil detector for collecting soil information, and a processing unit for simultaneously connecting the signal to the soil detector and the robot arm; the processing unit receives The soil information collected by the soil detector generates control signals for the motion of the robot arm.
The airflow deep-slung deep-drawing system according to claim 7, wherein the mechanical arm comprises a support plate that is detachably connected to the vehicle body, a swing arm rotatably coupled to the support plate, and a drive An arm extending telescopically and having an outer end hinged to the swing arm for driving the swing arm to swing in a horizontal plane; the loosening work gun being fixed to the swing arm in a vertical direction; the support plate and the vehicle A lifting cylinder is connected between the body, the swing arm includes a swinging cylinder, and the driving arm includes a driving cylinder. The driving cylinder cylinder is rotatably connected to the supporting plate, and the outer end of the driving cylinder piston rod is hinged to the swinging cylinder block.
The airflow deep-slung deep-drawing system according to claim 8, wherein the outer end of the swing arm is fixedly provided with a pneumatic squirrel for vibrating the working gun in a vertical direction, and the loose-action working gun is fixed. At the outer end of the pneumatic piston rod.
The airflow deep-slung deep application system according to claim 7, wherein the body of the loose-moving work vehicle is further provided with a gas buffer tank, and the inlet of the gas buffer tank is used for connecting with the air duct. The outlet of the gas buffer tank is connected to the inlet of the air flow passage of the loosening work gun.