A small agricultural machine and its control system

By using fuel engines and drive motors in small farm machines, combined with crawler walking mechanisms and full-axis and all-gear gearboxes, the problems of inconvenient manual manual operation and poor terrain adaptability of small farm machines are solved, and stable driving and safe operation of small farm machines in complex environments are achieved.

CN112319242BActive Publication Date: 2025-03-25SHANDONG CHENZHENG INTELLIGENT TECH CO LTD +1
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Patent Information

Application Number
CN202011343927.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-26
Publication Date
2025-03-25
Estimated Expiration
2040-11-26

AI Technical Summary

Technical Problem

The existing small agricultural machinery has manual manual control, which is inconvenient to operate, and has poor adaptability to the terrain when arable land, making it easy to overturn.

Method used

A small farm machine was designed, using a fuel engine to provide power, and the driving motor is used as a walking drive to achieve stable walking and rapid steering of the small farm machine. The small farm machine is equipped with a crawler walking mechanism and a full-axis and all-gear gearbox, which avoids the defects of belt transmission and realizes remote control and safe operation of the small farm machine through a remote control system.

Benefits of technology

It realizes the stable driving and working of small agricultural machinery in narrow spaces and complex terrain, reduces the probability of failure, and improves the safety and convenience of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a small agricultural machine and a control system thereof, and belongs to the field of agricultural machinery manufacturing. The small agricultural machine comprises a fuselage, a fuel engine, a fuel tank, a driving motor, a control device, a working component, a power storage device, and a traveling mechanism; the traveling mechanism comprises two left and right groups, which are respectively arranged on the left and right sides below the fuselage and are responsible for the traveling of the small agricultural machine; another aspect of the present invention discloses a control system comprising a second steering control unit, which is configured to match the identity information; if the match is successful, the traveling mechanism is controlled to perform fast or slow steering at any angle when stationary according to the decoded signal; the present invention adopts the fuel engine and the driving motor as a drive, and at the same time greatly reduces fuel consumption; the small agricultural machine can be controlled by a remote controller through the control system to adapt to various complex terrains and work safely.
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Description

Technical Field

[0001] The present invention relates to the field of agricultural machinery manufacturing, and in particular to a small agricultural machine and a control system thereof. Background Art

[0002] Small agricultural machinery is generally powered by a small diesel engine or gasoline engine, and has the characteristics of light weight, small size, simple structure, etc. It is widely used in dry land, paddy fields, orchards, etc. in plains, mountainous areas, and hills. It can be equipped with corresponding equipment to perform operations such as pumping, power generation, spraying, and spraying. It can also tow a trailer for short-distance transportation. It can be freely used in the field, which is convenient for users to use and store. It saves the trouble of large agricultural machinery being unable to enter mountainous fields. It is the best choice for farmers and consumers to replace cattle plowing.

[0003] A remote-controlled oil-electric hybrid micro-tillage machine in the prior art comprises a power device, a rotary blade assembly, a tillage depth adjustment assembly, a driving travel assembly, a control device, a power source and a frame; the power source is composed of a battery, and the battery provides power to the control device and the driving travel assembly; the power device comprises a gasoline engine, a first pulley, a second pulley, and a first V-belt; the gasoline engine connects the first pulley and the second pulley through the first V-belt, and then provides power to the rotary blade through a reduction gear box; the rotary blade assembly comprises a rotary blade and a blade shaft; after the second pulley obtains power, the power is transmitted to the blade shaft through the reduction gear box to rotate the rotary blade; however, the control device thereof controls the hybrid micro-tillage machine to achieve a single steering mode, and the hybrid micro-tillage machine has poor adaptability to terrain when tilling the land, which makes it easy to roll over during operation.

[0004] Most of the existing small agricultural machinery are manual hand-held small agricultural machinery, which requires people to follow the machine, which is labor-intensive, and safety accidents often occur due to improper operation during rotary tillage operations. Summary of the invention

[0005] In order to solve the above technical problems, the purpose of the present invention is to provide a small agricultural machinery to solve the problem of manual control and inconvenient operation of existing small agricultural machinery, and to provide a control system that can enable the small agricultural machinery to turn while moving, or turn at any angle on the spot, and can quickly turn in any direction even in a narrow area.

[0006] According to one aspect of the present invention, there is provided a small agricultural machine:

[0007] A small agricultural machine, comprising a body, a fuel engine, a fuel tank, a working assembly, a clutch and a gearbox;

[0008] The input end of the clutch is connected to the fuel engine and is used to control the disconnection and connection of the fuel engine power transmission;

[0009] It also includes a driving motor and a traveling mechanism, wherein the driving motor is electrically connected to the power storage device, and the driving wheel of the traveling mechanism is driven by the driving motor;

[0010] The output end of the clutch is connected to a gearbox, and the gearbox drives the working component to work through a transmission shaft.

[0011] The beneficial effects of the present invention compared to the prior art are that the fuel engine provides power for the movement of the machine body and the operation of the working components, respectively, thereby ensuring the power supply of the working components; a drive motor is used as the walking drive, and the drive motor drives the small agricultural machinery to move stably, has a faster starting speed, and is convenient for remote control; at the same time, the engine power end is directly connected to the clutch for power transmission, which is suitable for installing crawler wheels on both sides of the small agricultural machinery for travel; and belt-type power transmission is avoided, the spatial structure of the small agricultural machinery is optimized, and the size of the small agricultural machinery is compressed, making it suitable for operation and work in narrow spaces, and personnel can remotely control the small agricultural machinery in a safe area to move forward, turn, work, etc. in a narrow space, and can adapt to a wider range of working environments. Moreover, since the transmission components in the power transmission process are reduced, the probability of failure is also reduced.

[0012] Furthermore, the small agricultural machinery also includes a generator and a power storage device, wherein the power storage device is connected to the output end of the generator, and the input end of the generator is connected to the output end of the gearbox.

[0013] The beneficial effect of adopting the previous technical solution is that a generator is used to charge the power storage device, which effectively solves the problem of inconvenient external charging of the power storage device, while fully utilizing the power provided by the fuel engine.

[0014] Furthermore, the small agricultural machine also includes a control device, which is responsible for receiving remote control signals and controlling the operation of the drive motor;

[0015] When the generator is working, the control device and the drive motor are powered directly by the generator, and the provided electric energy is transmitted to the control device and the drive motor through the rectifier device of the power storage device. When the generator is not working, the control device and the drive motor are powered directly by the power storage device.

[0016] The beneficial effect of adopting the previous technical solution is that by using a drive motor as the drive for walking, the small agricultural machine can continue to move even if the engine has an abnormality; at the same time, the fuel consumption is greatly reduced; the electric energy provided by the generator is transmitted to the control device and the drive motor through the rectifier device of the power storage device; the loss in the flow of electric energy is reduced, and the service life of the power storage device is extended; and even if the generator has an abnormality, the power storage device can still provide power to drive the small agricultural machine to move.

[0017] Furthermore, the travel mechanism includes walking devices respectively arranged on the left and right sides of the fuselage, and the walking wheels on each side are connected to a driving motor to drive the walking devices on the left and right sides to work;

[0018] The control device controls the speed and direction of the two drive motors respectively according to the received control signal;

[0019] By controlling the left and right driving wheels to rotate in the same direction, the small agricultural machine can move forward.

[0020] The small agricultural machine can move backward by controlling the left and right driving wheels to rotate in opposite directions at the same speed;

[0021] The steering of the small agricultural machinery is achieved by controlling the left and right driving wheels to rotate at different speeds;

[0022] By controlling the left and right driving wheels to rotate in opposite directions respectively, turning on the spot is achieved.

[0023] The beneficial effect of adopting the previous technical solution is that two drive motors are used to drive the drive wheels on both sides respectively, which can ensure stronger power and is more suitable for traveling in harsh road conditions.

[0024] Furthermore, the travel mechanism is a crawler-type travel mechanism, and its structure includes crawlers and crawler wheels;

[0025] The track wheels include a driving wheel, a load-bearing wheel and a guide wheel;

[0026] The guide wheels are arranged at the front of the left and right sides of the fuselage, the load-bearing wheels are arranged at the middle part of the left and right sides of the fuselage, and the driving wheels are arranged at the rear of the left and right sides of the fuselage.

[0027] The beneficial effect of adopting the above technical solution is that the crawler structure can make the agricultural machinery easy to move and suitable for various ground conditions.

[0028] The generator is used to charge the power storage device, which effectively solves the problem of inconvenient external charging of the power storage device, and can fully utilize the power provided by the fuel engine. The full-axis full-gear gearbox is used as the transmission device to avoid the defects of the belt drive device such as easy wear of the belt, frequent belt breakage, large transmission power loss, and low efficiency. The crawler walking mechanism is used, which makes walking more stable and can adapt to farming on the ground with poor road conditions.

[0029] Furthermore, the structure of the gearbox includes a first gear, a second gear, a third gear, a fourth gear, and a fifth gear;

[0030] The fuel engine transmits power to the first gear through the clutch and the transmission shaft;

[0031] The first gear, the second gear and the third gear are truncated cone gears;

[0032] The second gear and the third gear are respectively located on both sides of the first gear and mesh with the first gear, and the first gear drives the second gear and the third gear to rotate respectively;

[0033] The second gear transmission shaft is connected to the generator to drive the generator to work;

[0034] The third gear and the fourth gear are connected via a transmission shaft;

[0035] The fourth gear is meshed with the fifth gear and drives the working component to work through the transmission shaft.

[0036] The beneficial effect of adopting the previous technical solution is that the use of a full-axis full-gear gearbox as a transmission device avoids the defects of the belt transmission device such as easy wear of the belt, frequent belt breakage, large power transmission loss, and low efficiency.

[0037] Furthermore, the working components include a rotary tiller component, a seed drill component, a bulldozer component, a mower component, a ridging wheel or a furrowing wheel.

[0038] The beneficial effect of adopting the previous technical solution is that by replacing different working components, different functions can be provided to basically meet daily farming needs.

[0039] Furthermore, the structure of the small agricultural machine also includes a telescopic cylinder;

[0040] The telescopic cylinder is installed at one end of the fuselage close to the working component;

[0041] The telescopic arm of the telescopic cylinder is connected to the working assembly;

[0042] The working assembly is connected to the fuselage via a support arm;

[0043] The support arm is connected to the fuselage in an axial connection manner.

[0044] The beneficial effect of adopting the previous technical solution is that by setting a telescopic cylinder, the raising and lowering of the working component can be controlled: when the telescopic arm is retracted, the working component is pulled to rotate upward around the axis of the support arm, and the working component is lifted; when the telescopic arm is extended, the working component is pushed to rotate downward around the axis of the support arm, and the working component is lowered.

[0045] The fuel engine is an air-cooled diesel engine or a high-horsepower air-cooled gasoline engine.

[0046] According to another aspect of the present invention, there is provided a control system, comprising: a communication unit configured to receive a signal sent by a remote controller, the signal comprising identity information, the identity information being code information of each function of the remote controller;

[0047] a decoding and identification unit connected to the communication unit, and decoding the signal received by the communication unit and identifying the identity information of the signal; a first steering control unit, configured to match the identity information, and if the match is successful, control the steering of the traveling mechanism according to the decoded signal;

[0048] A clutch control unit configured to match the identity information, and if the match is successful, control the disconnection and engagement of the clutch according to the decoded signal;

[0049] The second steering control unit is configured to match the identity information. If the match is successful, the traveling mechanism is controlled to perform fast or slow steering at any angle when stationary according to the decoded signal.

[0050] Compared with the prior art, the beneficial effect of the present invention is that a small agricultural machine can be controlled by a remote control through a control system to turn quickly or slowly at any angle on the spot, allowing the small agricultural machine to better adapt to various complex terrains and work safely.

[0051] Compared with the prior art, the beneficial effects of the present invention are that the fuel engine provides power for the movement of the machine body and the operation of the working components, respectively, thereby ensuring the power supply of the working components; a driving motor is used as the driving force for movement, and the driving motor drives the small agricultural machine to move stably, with a faster starting speed, and is convenient for remote control. The remote control controls the small agricultural machine through the control system to realize fast or slow turning of any angle on the spot, so that the small agricultural machine can turn quickly in any direction during driving in a wide area, and can also turn quickly at any angle on the spot in a narrow area, so that the small agricultural machine can be more adaptable to various complex terrains for safe work; at the same time, the power end of the engine is directly connected to the clutch for power transmission, which is suitable for installing crawler wheels on both sides of the small agricultural machine for travel; and belt-type power transmission is avoided, the spatial structure of the small agricultural machine is optimized, and the volume of the small agricultural machine is compressed, making it suitable for operation and work in narrow spaces, and personnel can remotely control the small agricultural machine in a safe area to move forward, turn, work and other operations in a narrow space, which can adapt to a wider range of working environments, and due to the reduction of transmission components in the power transmission process, the probability of failure is also reduced.

[0052] Further control systems include:

[0053] A throttle control unit configured to match the identity information, and if the match is successful, control the fuel engine to increase or decrease the throttle according to the decoded signal;

[0054] a height adjustment unit configured to match the identity information, and if the match is successful, adjust the working height of the working component according to the decoded signal;

[0055] A flameout control unit configured to match the identity information, and if the match is successful, control the fuel engine to flameout according to the decoded signal;

[0056] A travel speed control unit configured to match the identity information, and if the match is successful, control the travel mechanism to travel at a constant speed or at an accelerated speed according to the decoded signal;

[0057] The travel start-stop control unit is configured to match the identity information. If the match is successful, the travel mechanism is controlled to start or stop urgently according to the decoded signal.

[0058] The beneficial effect of adopting the previous technical solution is that it is possible to control the small agricultural machinery through the control system with a remote control to control the fuel engine to increase or decrease the throttle, adjust the working mode of the working components, and realize the small agricultural machinery to move forward at a constant speed, accelerate, and accelerate or turn at a constant speed during the movement. In particular, it can realize one-click control of the small agricultural machinery in a constant speed automatic motion mode without any other human operation; realize clutch control and one-click emergency stop under special circumstances, so that the user can control the small agricultural machinery away from the work location of the small agricultural machinery to complete various tasks.

[0059] Furthermore, the communication unit is further configured to match the key information with the remote control. When the remote control is used for the first time, the communication unit sends the key information, and the remote control receives and stores the key information. In the future, the signal sent by the remote control includes the key information, and the signal received by the communication unit includes the key information before decoding and identification can be performed.

[0060] The communication unit decodes and identifies only one piece of key information at a time.

[0061] The beneficial effect of adopting the previous technical solution is that only one's own remote control can control one's own small agricultural machinery, and the remote control can control the work of the small agricultural machinery in an orderly manner to prevent the impact of misoperation on the small agricultural machinery. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Figure 1 It is a horizontal schematic diagram of the overall structure of the small agricultural machine of the present invention;

[0063] Figure 2 It is a schematic diagram of the upper structure of the small agricultural machine of the present invention;

[0064] Figure 3 It is a schematic diagram of the gearbox structure of the present invention;

[0065] Figure 4 It is a schematic diagram of the structure of the telescopic cylinder and working components of the present invention. DETAILED DESCRIPTION

[0066] In order to better understand the technical solution of the present invention, the present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0067] Example:

[0068] This embodiment provides a small agricultural machine, which includes a body 1, a fuel engine 3, a fuel tank 12, a drive motor 7, a control device 6, a working component 2, a power storage device 5, and a travel mechanism;

[0069] The working assembly 2 is installed at the front end of the fuselage 1;

[0070] The fuel engine 3, fuel tank 12, drive motor 7, control device 6, and power storage device 5 are installed on the fuselage 1;

[0071] The travel mechanism consists of two groups, left and right, which are respectively arranged on the left and right sides below the fuselage 1 and are responsible for the travel of the small agricultural machine;

[0072] The power storage device 5 is responsible for providing power to the control device and the drive motor;

[0073] The control device 6 is responsible for receiving remote control signals and controlling the operation of the drive motor 7;

[0074] The drive motor 7 is responsible for driving the traveling mechanism to move forward or backward. Since the drive motor is used to control the forward and backward movement of the small agricultural machine, it is convenient to control it by remote sensing, and it is convenient to adjust the rotation speed and steering.

[0075] The small agricultural machine also includes a generator 4, which is installed on the machine body 1;

[0076] The fuel engine 3 provides power to the generator 4, drives the generator 4 to generate electricity, and charges the power storage device 5.

[0077] The fuel engine 3 also provides power for driving the working component 2 to drive the working component 2 to work.

[0078] The working components include a rotary tiller component, a seed drill component, a bulldozer component, a lawn mower component, a ridging wheel or a furrowing wheel, etc.

[0079] By replacing different working components and providing different functions, it can basically meet daily farming needs.

[0080] like Figure 4 As shown, the structure of the small agricultural machine also includes a telescopic cylinder 30;

[0081] The telescopic cylinder 30 is installed at one end of the fuselage 1 close to the working assembly 2;

[0082] The telescopic arm of the telescopic cylinder 30 is fixed to the upper part of the working assembly 2;

[0083] The rear end of the working assembly 2 is connected to the fuselage 1 via a support arm 31;

[0084] The support arm 31 is connected to the body 1 in an axial connection manner.

[0085] By setting up the support cylinder 30, the raising and lowering of the working assembly is controlled: when the telescopic arm is retracted, the working assembly is pulled to rotate upward around the axis of the support arm 31, and the working assembly is lifted; when the telescopic arm is extended, the working assembly is pushed to rotate downward around the axis of the support arm 31, and the working assembly is lowered.

[0086] When the generator 4 is working, the control device 6 and the drive motor 7 are powered directly by the generator 4 , and the provided electric energy is transmitted to the control device 6 and the drive motor 7 through the rectifier device of the power storage device 5 .

[0087] When the generator 4 is working, the generator 4 directly supplies power to the control device 6 and the drive motor 7 , thereby reducing the loss in the flow of electric energy and extending the service life of the power storage device 5 .

[0088] The fuel engine 3 and the fuel tank 12 are installed in the middle of the fuselage 1;

[0089] The control device 6 is installed at the rear of the fuselage 1;

[0090] The driving motor 7 is installed below the control device 6;

[0091] The generator 4 is installed at the front of the fuselage 1 .

[0092] Since the fuel engine and fuel tank are very heavy, they are placed in the middle of the fuselage to facilitate the overall balance of the device; the drive motor is installed at the rear of the fuselage, close to the travel mechanism, which is convenient for direct power supply and simplifies the connection; at the same time, in order to balance the center of gravity, the generator is installed at the front of the fuselage. Since the drive motor and drive wheels are set at the rear of the left and right sides of the body, the distance between them is short, which is convenient for connection and saves power.

[0093] The traveling mechanism is a crawler-type traveling mechanism, and its structure includes a crawler 8 and crawler wheels;

[0094] The track wheel comprises a driving wheel 9, a load-bearing wheel 10 and a guide wheel 11;

[0095] The guide wheels 11 are arranged at the front of the left and right sides of the fuselage 1 , the load-bearing wheels 10 are arranged at the middle part of the left and right sides of the fuselage 1 , and the driving wheels 9 are arranged at the rear of the left and right sides of the fuselage 1 .

[0096] By adopting a crawler structure, agricultural machinery can be easy to move and is suitable for many harsh ground conditions.

[0097] There are two driving motors 7, which are respectively located on the left and right sides of the rear part of the fuselage 1, and drive the driving wheels 9 on the left and right sides to work.

[0098] The small agricultural machine also includes a clutch 13 and a gearbox 14;

[0099] The clutch 13 is connected to the fuel engine 3 and is responsible for controlling the disconnection and connection of the power transmission of the fuel engine 3;

[0100] The transmission mechanism of the gearbox 14 is composed of gears and shafts;

[0101] The fuel engine 3 controls the operation of the generator 4 and the working component 2 through the gearbox 14 .

[0102] like Figure 3 As shown, the structure of the gearbox 14 includes a first gear 14-1, a second gear 14-2, a third gear 14-3, a fourth gear 14-4, and a fifth gear 14-5;

[0103] The fuel engine 3 transmits power to the first gear 14-1 through the clutch 13 and the transmission shaft;

[0104] The first gear 14-1, the second gear 14-2, and the third gear 14-3 are truncated cone gears;

[0105] The second gear 14-2 and the third gear 14-3 are respectively located on both sides of the first gear 14-1 and mesh with the first gear 14-1. The first gear 14-1 drives the second gear 14-2 and the third gear 14-3 to rotate respectively.

[0106] The transmission shaft of the second gear 14-2 is connected to the generator 4 to drive the generator 4 to work;

[0107] The third gear 14-3 and the fourth gear 14-4 are connected via a transmission shaft;

[0108] The fourth gear 14 - 4 is meshed with the fifth gear 14 - 5 , and drives the working assembly 2 to work through the transmission shaft.

[0109] The control device 6 is used to receive control signals and control the speed and direction of the two drive motors 7 respectively;

[0110] By controlling the left and right driving wheels 9 to rotate in the same direction at the same speed, the small agricultural machine can move forward.

[0111] By controlling the left and right driving wheels 9 to rotate in opposite directions at the same speed, the small agricultural machine can move backward;

[0112] By controlling the left and right driving wheels 9 to rotate at different speeds, the steering of the small agricultural machine is achieved;

[0113] By controlling the left and right driving wheels 9 to rotate in opposite directions respectively, turning on the spot is achieved.

[0114] This embodiment provides a control system for the above-mentioned small agricultural machine, including a communication unit configured to:

[0115] receiving a signal sent by a remote controller, wherein the signal includes identity information, and the identity information is code information of each function of the remote controller;

[0116] And the key information is matched with the remote control, the communication unit sends the key information, the remote control receives the key information and stores it, and the signal sent by the remote control includes the key information in the future, and the signal received by the communication unit includes the key information before decoding and identification can be performed.

[0117] It also includes a decoding and identifying unit, which is connected to the communication unit and decodes the signal received by the communication unit and identifies the identity information of the signal.

[0118] A control system also includes

[0119] A first steering control unit is configured to match the identity information, and if the match is successful, control the steering of the travel mechanism according to the decoded signal;

[0120] The second steering control unit is configured to match the identity information. If the match is successful, the traveling mechanism is controlled to perform fast or slow steering at any angle when stationary according to the decoded signal.

[0121] A control system also includes

[0122] A throttle control unit configured to match the identity information, and if the match is successful, control the fuel engine to increase or decrease the throttle according to the decoded signal;

[0123] a height adjustment unit configured to match the identity information, and if the match is successful, adjust the working height of the working component according to the decoded signal;

[0124] A clutch control unit configured to match the identity information, and if the match is successful, control the disconnection and engagement of the clutch according to the decoded signal;

[0125] A travel speed control unit configured to match the identity information, and if the match is successful, control the travel mechanism to travel at a constant speed or at an accelerated speed according to the decoded signal;

[0126] A flameout control unit configured to match the identity information, and if the match is successful, control the fuel engine to flameout according to the decoded signal;

[0127] The travel start-stop control unit is configured to match the identity information. If the match is successful, the travel mechanism is controlled to start or stop urgently according to the decoded signal.

[0128] The above description is only a preferred embodiment of the present application and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the present application is not limited to the technical solution formed by a specific combination of the above technical features, but should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the inventive concept. For example, the above features are replaced with (but not limited to) technical features with similar functions disclosed in the present application.

Claims

1. A small agricultural machine, characterized in that: The small agricultural machine comprises a body, a fuel engine, a fuel tank, a working assembly, a clutch, a gearbox, a control device, a generator and a power storage device; The input end of the clutch is connected to the fuel engine and is used to control the disconnection and connection of the fuel engine power transmission; It also includes a driving motor, a traveling mechanism and a remote controller, wherein the driving motor is electrically connected to the power storage device, and the driving wheel of the traveling mechanism is driven by the driving motor; The output end of the clutch is connected to a gearbox, and the gearbox drives the working component to work through a transmission shaft; The power storage device is connected to the output end of the generator, and the input end of the generator is connected to the output end of the gearbox; The control device is responsible for receiving the remote control signal of the remote controller and controlling the operation of the drive motor; The traveling mechanism includes walking devices respectively arranged on the left and right sides of the fuselage. The walking device on each side is connected to a driving motor to drive the walking devices on the left and right sides to work; The traveling mechanism is a crawler-type traveling mechanism, and its structure includes crawlers and crawler wheels; The track wheels include a driving wheel, a load-bearing wheel and a guide wheel; The guide wheels are arranged at the front of the left and right sides of the fuselage, the load-bearing wheels are arranged at the middle of the left and right sides of the fuselage, and the driving wheels are arranged at the rear of the left and right sides of the fuselage; The structure of the gearbox includes a first gear, a second gear, a third gear, a fourth gear and a fifth gear; The fuel engine transmits power to the first gear through the clutch and the transmission shaft; The first gear, the second gear and the third gear are truncated cone gears; The second gear and the third gear are respectively located on both sides of the first gear and mesh with the first gear, and the first gear drives the second gear and the third gear to rotate respectively; The second gear transmission shaft is connected to the generator to drive the generator to work; The third gear and the fourth gear are connected via a transmission shaft; The fourth gear is meshed with the fifth gear, and drives the working component to work through the transmission shaft; The working components include a rotary tiller component, a seed drill component, a bulldozer component, a mower component, a ridging wheel or a furrowing wheel.

2. A small agricultural machine according to claim 1, characterized in that: Also included is a telescopic cylinder; The telescopic cylinder is installed at one end of the fuselage close to the working component; The telescopic arm of the telescopic cylinder is connected to the working assembly; The working assembly is connected to the fuselage via a supporting arm.

3. A small agricultural machinery control system, characterized in that: A small agricultural machine and a remote controller comprising any one of claims 1 to 2: a communication unit configured to receive a signal sent by a remote controller, wherein the signal includes identity information, and the identity information is code information of a function of the remote controller; A decoding and identifying unit, which is connected to the communication unit and decodes the signal received by the communication unit and identifies the identity information of the signal; A clutch control unit configured to match the identity information, and if the match is successful, control the disconnection and engagement of the clutch according to the decoded signal; A first steering control unit is configured to match the identity information, and if the match is successful, control the steering of the travel mechanism according to the decoded signal; The second steering control unit is configured to match the identity information. If the match is successful, the traveling mechanism is controlled to perform fast or slow steering at any angle when stationary according to the decoded signal.

4. A control system according to claim 3, characterized in that: Also includes: A throttle control unit configured to match the identity information, and if the match is successful, control the fuel engine to increase or decrease the throttle according to the decoded signal; a height adjustment unit configured to match the identity information, and if the match is successful, adjust the working height of the working component according to the decoded signal; A flameout control unit configured to match the identity information, and if the match is successful, control the fuel engine to flameout according to the decoded signal; A travel speed control unit configured to match the identity information, and if the match is successful, control the travel mechanism to travel at a constant speed or at an accelerated speed according to the decoded signal; The travel start-stop control unit is configured to match the identity information. If the match is successful, the travel mechanism is controlled to start or stop urgently according to the decoded signal.

5. A control system according to claim 4, characterized in that: The communication unit is also configured to match the key information with the remote control. The communication unit sends out the key information, and the remote control receives and stores the key information. In the future, the signal sent out by the remote control includes the key information, and the signal received by the communication unit includes the key information before decoding and identification can be performed.

Citation Information

Patent Citations

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