CN113079726B - A multifunctional remote-controlled small electric agricultural machine - Google Patents

Abstract

The invention provides a multifunctional remote control small-sized electric agricultural machine which comprises an electric agricultural machine body and a control device arranged on the electric agricultural machine body, wherein the electric agricultural machine body mainly comprises a frame, a power control box, a hand device, a traction device, an electric spraying device, a vibration reduction device, a driving device and a steering device, and the traction device is connected with an integrated soil turning and cultivation farm tool; the control device comprises an electric control unit, a remote control receiving device and a remote control transmitting device. When the multifunctional remote control small-sized electric agricultural machine is used, an operator sends corresponding control signals to the driving device and the steering device through the control device, so that the small-sized electric agricultural machine is remotely controlled to finish the actions of advancing, retreating and steering.

Description

A multifunctional remote-controlled small electric agricultural machine

Technical Field

The invention relates to the technical field of agricultural machinery, and in particular to a multifunctional remote-controlled small electric agricultural machine.

Background Art

In order to promote the development of agricultural economy, liberate labor productivity and improve the convenience of agricultural production, agricultural machinery has been gradually applied to the field of agricultural production. In particular, large agricultural machinery has unique advantages in terms of automation and operating efficiency. However, large agricultural machinery has obvious difficulties in operating in large areas of sloping land, mountains, hills and other areas in China and during the growth period of crops. Therefore, small agricultural machinery with strong operating flexibility is widely used in greenhouse planting, loosening soil between seedlings, hoeing, fertilizing and spraying pesticides, etc., which require small-area operations or closed planting fields.

The inventors found in the process of implementing the present invention that:

For example, patent application number CN201720779052.2 discloses a small tractor including an engine, a frame, a steering wheel, a seat, two front wheels, two rear wheels, and a tractor traction frame. It can be used for agricultural farming under low fruit trees and in greenhouses to achieve safe and efficient operations, effectively reduce the labor intensity of managers, and have high operating efficiency. However, traditional internal combustion engines still pollute the rural environment, and the engine is driven, which causes high pollution and noise.

In order to reduce environmental pollution and vibration noise, patent application number CN201610706625.9 discloses a small electric tractor, including a power conversion device, a battery, a power control box and an electric motor. It overcomes the defects of traditional diesel tractors such as high pollution and high noise, and alleviates environmental pollution to a certain extent. However, it still cannot liberate labor and fails to realize intelligent operation.

In order to realize intelligence, patent application number CN201220121708.9 discloses a remote control farm tillage machine, which adopts two sets of operating systems, remote control and manual. One set is controlled by the remote control solenoid valve group to realize the steering of the machine and the lifting of the agricultural implements, and the other set is realized by the manual valve to lift the agricultural implements. The steering of the machine is realized by the three-link mechanism, which realizes semi-active control, but still requires the operator to supervise and operate all the time, and cannot achieve the best work efficiency. During the operation, the agricultural implements need to be replaced in real time according to different needs, which is time-consuming, labor-intensive, and labor-intensive. In addition, various equipment needs to be prepared, and the cost of use is high.

In order to further improve the versatility of small agricultural machinery, reflect the agricultural workers' desire to use one machine for multiple purposes and effectively reduce the cost of use, small agricultural machinery should embody the technical characteristics of multi-functional integration. Patent application number CN201510731180.5 discloses a multifunctional agricultural machinery that integrates fertilization, tillage, and sowing functions to form a reliable multifunctional agricultural machinery, which greatly improves the working efficiency of agricultural machinery. However, manual operation is still required, which has high requirements on the operator's physical strength and body flexibility and coordination.

It can be seen that the existing small agricultural machinery still has shortcomings in terms of efficiency, physical and mental health of operators, environmental protection, and multi-functional integration, and it is urgent to continuously update the technical solution. In order to solve the above limitations, the present invention attempts to provide a multi-functional remote-controlled small electric agricultural machinery.

Summary of the invention

The purpose of the present invention is to provide a multifunctional remote-controlled small electric agricultural machinery, which integrates three key functions: motor drive, remote control intelligent control, and multifunctionality, and can maximize production efficiency, reduce the impact on the physical and mental health of operators, enhance environmental protection, and reduce the cost of use in a shared manner.

To achieve the above object, the technical solution of the present invention is: a multifunctional remote-controlled small electric agricultural machine, characterized in that it includes an electric agricultural machine body and a control device installed on the electric agricultural machine body, wherein:

The electric agricultural machine body is mainly composed of a frame, a power control box, a hand-held device, a traction device, an electric spray device, a vibration reduction device, a driving device and a steering device. The power control box and the electric spray device are installed in the frame, the hand-held device is installed on the upper part of the rear end of the frame, and the traction device is installed on the bottom of the rear end of the frame. The traction device is connected to a soil turning and tillage integrated agricultural implement, and the frame is supported above the driving device and the steering device through the vibration reduction device.

The control device includes an electric control unit, a remote control receiving device, and a remote control transmitting device. The electric control unit is connected to the remote control receiving device. The remote control transmitting device is provided with a forward button, a left turn button, a right turn button, and a back button. The remote control receiving device and the remote control transmitting device are wirelessly connected.

Furthermore, the frame is a box-type structure, including a frame bottom plate, an intermediate box body and a frame cover with grooves inside, the intermediate box body is fixed on the frame bottom plate, the frame cover can be flipped and connected to the intermediate box body through a rotating hinge, the front end of the intermediate box body is provided with a heat dissipation strip, the front end of the frame cover is provided with a light installation hole above the heat dissipation strip, and both sides of the rear of the frame cover are provided with spray holes that match the electric spray device; the position of the intermediate box body for installing the power control box, the electric spray device, and the hand-held device is provided with a cavity or an empty slot to avoid interference. The shell device improves the aesthetics and safety, can protect the motor from short circuit problems caused by rainy weather, and the frame cover is provided with a lighting device to realize night operation.

Furthermore, the power control box is arranged at the front side of the middle box of the frame, including a power control box fixed on the bottom plate of the frame, a power control box cover is arranged on it, the power control box cover has both a protective function and is convenient for replacing batteries, batteries are installed in the power control box, and a battery charging interface is arranged on one side of the power control box. It is driven by a motor, with low environmental pollution, low vibration and noise.

Furthermore, the hand-held device is fixed to the upper rear end of the frame bottom plate, and includes a hand-held support rod, a handle connected to the hand-held support rod with bolts, and the handle is provided with an electric spray device power switch, a light switch and a battery switch. The handle is made of rubber material, which can prevent slipping and freezing in winter. The hand-held device can ensure the safety of the control device after a failure.

Furthermore, the traction device is fixed to the bottom of the rear end of the frame bottom plate, including a traction bracket fixed to the frame bottom plate, the traction bracket is installed with a connecting frame through a latch, and the two sides of the connecting frame are respectively connected with telescopic rods through a fixed support rod 1, and a fixed support rod 2 is provided on the hand support rod in parallel with the fixed support rod 1, and the upper end of the telescopic rod is connected to the fixed support rod 2; the structure of the telescopic rod includes an upper screw rod, a lower screw rod and a threaded sleeve arranged in the middle, and the upper screw rod and the lower screw rod are threadedly connected to the threaded sleeve and the thread directions are arranged in opposite directions; the connecting frame is connected to the soil turning and cultivation integrated agricultural implement, and the soil turning and cultivation integrated agricultural implement includes a seeding box, a seeding wheel, a seeding gear shaft, a seeding plow, and a turning plow. The soil turning and cultivation integrated agricultural implement is set to avoid the real-time replacement of agricultural implements, reduce the use cost, and improve the working efficiency. The telescopic rod is set to control the lifting and lowering of the soil turning and cultivation integrated agricultural implement to achieve the effect of precise operation.

Furthermore, the electric spray device is fixed on the rear side of the middle box of the frame, and includes an electric sprayer and an electric sprayer power supply. The input end of the electric sprayer power supply is connected to the electric sprayer charging interface arranged on the electric sprayer, an extended nozzle is arranged on the upper part of the electric sprayer, and an atomizing nozzle is arranged at the front end of the nozzle. The atomizing nozzle corresponds to the spray holes on both sides of the frame cover, and a pesticide filling port is arranged on the top of the electric sprayer to facilitate the filling of pesticides.

Furthermore, the driving device is arranged at the lower rear side of the frame, and is mainly composed of a driving motor, a half shaft, a driving wheel, and a driving axle. The driving axle includes a driving gear, a half shaft gear, and a driving axle housing. The driving motor is mounted on the driving axle housing, and the driving gear mounted on the driving motor meshes with the half shaft gear. The half shaft is equipped with a driving wheel. The driving device has few parts, a simple structure, high power transmission efficiency, and low power transmission friction loss. The driving axle is arranged to prevent mud from entering, which can effectively avoid gear wear.

Furthermore, the steering device is arranged at the lower front side of the frame, and is mainly composed of a steering motor, a steering gear, a steering trapezoidal tie rod, a rotating shaft, an L-shaped steering shaft, and a steering wheel. The steering gear includes a steering gear, a rack, a steering spring, and a steering gear housing. The steering motor is mounted on the steering gear housing. The steering gear mounted on the steering motor is meshed with the rack. Steering springs are arranged at both ends of the rack. The steering trapezoidal tie rod nested on the rack is connected to the L-shaped steering shaft welded on the rotating shaft. The rotating shaft is mounted at both ends of the steering gear housing. The L-shaped steering shaft is equipped with a steering wheel. The steering device has a simple structure, is easy to steer, and has a quick steering response.

Furthermore, the vibration damping device is provided with four groups, each group is mainly composed of a vibration damper protective shell, a vibration damper bracket, a vibration damper, and a spring. The vibration damper protective shell is fixed on the vehicle frame, the upper end of the vibration damper is connected to the vibration damper protective shell by bolts, the vibration damper brackets are respectively provided at the driving axle housing of the driving device and the two ends of the steering gear housing of the steering device, the lower ends of the vibration dampers are respectively embedded in the vibration damper brackets by bolts, and a hole cavity for the vibration damper to pass through is provided on the frame bottom plate. The vibration damping device has a simple structural arrangement, good vibration damping effect, good working stability, and can effectively mitigate the impact of the road surface.

Beneficial effects: Compared with the prior art, the present invention has the following effects:

1. Driven by motor, it has low environmental pollution, low vibration and noise;

2. It is equipped with a remote control device, which can realize the operation tasks that do not rely on the physical strength of the operators, is simple to operate, saves time and effort, and can avoid the harm to the physical and mental health of the operators caused by agricultural tasks such as turning the soil, ploughing, sowing, fertilizing and spraying pesticides;

3. It has the integrated function of one machine for multiple uses, which can realize agricultural tasks such as turning over the soil, ploughing, sowing, fertilizing, spraying, etc., meeting the agricultural operators' expectation of one machine for multiple uses and reducing the use cost by sharing;

4. The present invention has simple structure, low cost, good passability and strong applicability;

5. It is equipped with a shell device that improves aesthetics and safety, which can protect the motor from short circuit problems caused by rainy weather, and further realize night operation through the lighting device on the frame cover;

6. A hand-held device is provided to ensure safety in case of failure of the control device.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of the present invention.

FIG. 2 is a schematic side view of the overall structure of the present invention.

FIG. 3 is a schematic structural diagram of a vehicle frame of the present invention.

FIG. 4 is a top view of FIG. 3 .

Fig. 5 is a half-section schematic diagram taken along the line A-A in Fig. 4 .

FIG. 6 is a schematic structural diagram of the hand-held device of the present invention.

FIG. 7 is a schematic structural diagram of the traction device of the present invention.

FIG. 8 is a schematic structural diagram of the electric spray device of the present invention.

FIG. 9 is a schematic structural diagram of the vibration reduction device of the present invention.

FIG. 10 is a schematic structural diagram of a driving device of the present invention.

FIG. 11 is a front view of FIG. 10 .

Fig. 12 is a schematic half-section diagram of the drive axle in Fig. 11 along the line A-A.

FIG. 13 is a schematic structural diagram of a steering device of the present invention.

FIG. 14 is a front view of FIG. 13 .

Figure 15 is a schematic half-section diagram of the steering gear in Figure 14 along the A-A line.

FIG. 16 is a schematic diagram of a remote control transmitting device.

As shown in the figure: the electric agricultural machine body (A), bolts (B), frame (1), frame bottom plate (1-1), intermediate box (1-2), heat dissipation strip (1-3), rotating hinge (1-4), light installation hole (1-5), spray hole (1-6) of electric spray device (5), frame cover (1-7), power control box (2), power control box cover (2-1), power control box (2-2), battery charging interface (2-3), battery (2-4), hand-held device (3), Hand support rod (3-1), power switch of electric spray device (3-2), light switch (3-3), battery switch (3-4), handle (3-5), traction device (4), traction bracket (4-1), connecting frame (4-2), latch (4-3), soil turning and tillage integrated agricultural implement (4-4), seeding box (4-41), seeding wheel (4-42), seeding gear shaft (4-43), seeding plow (4-44), plowing plow (4-45), telescopic rod (4-5) , fixed support rod one (4-51), fixed support rod two (4-55), lower screw rod (4-52), threaded sleeve (4-53), upper screw rod (4-54), electric spray device (5), electric sprayer (5-1), electric sprayer power supply (5-2), electric sprayer charging interface (5-3), nozzle (5-4), atomizing nozzle (5-5), pesticide filling port (5-6), vibration damping device (6), vibration damper protective shell (6-1), vibration damper bracket (6-2), vibration damper (6-3), vibration damper upper end (6-3a), vibration damper lower end (6-3b), spring (6-4), driving device (7), driving motor (7-1), half shaft (7-2), driving wheel (7-3 ), drive axle (7-4), drive gear (7-41), half-axle gear (7-42), drive axle housing (7-43), steering device (8), steering motor (8-1), steering gear (8-2), steering trapezoidal tie rod (8-3), rotating shaft (8-4), L-shaped steering shaft (8-5), steering wheel (8-6), steering gear (8-21), rack (8-22), steering spring (8-23), steering gear housing (8-24), control device (9), electronic control unit (9-1), remote control receiving device (9-2), remote control transmitting device (9-3), forward button (9-31), left turn button (9-32), right turn button (9-33), reverse button (9-34).

DETAILED DESCRIPTION

The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings, but this embodiment should not be understood as limiting the present invention.

The present invention is shown in Figures 1 to 16:

As shown in FIG. 1 , FIG. 2 and FIG. 16 : A multifunctional remote-controlled small electric agricultural machine comprises an electric agricultural machine body A and a control device 9 mounted on the electric agricultural machine body A, wherein:

The electric agricultural machine body A is mainly composed of a frame 1, a power control box 2, a hand-held device 3, a traction device 4, an electric spray device 5, a vibration reduction device 6, a drive device 7 and a steering device 8. The power control box 2 and the electric spray device 5 are installed in the frame 1, the hand-held device 3 is installed on the upper rear end of the frame 1, and the traction device 4 is installed on the bottom rear end of the frame 1. The traction device 4 is connected to a soil turning and tillage integrated agricultural implement 4-4, and the frame 1 is supported above the drive device 7 and the steering device 8 through the vibration reduction device 6;

The control device 9 includes an electronic control unit 9-1, a remote control receiving device 9-2, and a remote control transmitting device 9-3. The electronic control unit 9-1 is connected to the remote control receiving device 9-2. The remote control transmitting device 9-3 is provided with a forward button 9-31, a left turn button 9-32, a right turn button 9-33, and a back button 9-34. The remote control receiving device 9-2 and the remote control transmitting device 9-3 are wirelessly connected.

As shown in Figures 3 and 4: the frame 1 is a box-type structure, including a frame bottom plate 1-1, an intermediate box body 1-2 and a frame cover 1-7 with an internal groove, and the height of the front end of the frame cover 1-7 is lower than the rear end and presents an arc-shaped transition, the intermediate box body 1-2 is fixed on the frame bottom plate 1-1, and the frame cover 1-7 can be flipped and connected to the intermediate box body 1-2 by a rotating hinge 1-4, a heat dissipation strip 1-3 is provided at the front end of the intermediate box body 1-2, and a light mounting hole 1-5 is provided at the front end of the frame cover 1-7 above the heat dissipation strip 1-3, and spray holes 1-6 matching the electric spray device 5 are respectively provided on both sides of the rear part of the frame cover 1-7; the intermediate box body 1-2 is used to install the power control box 2, the electric spray device 5, and the hand-held device 3, and a cavity or an empty slot is provided to avoid interference.

As shown in Figures 3 and 5: the power control box 2 is arranged on the front side of the middle box 1-2 of the frame 1, including a power control box 2-2 fixed on the frame bottom plate 1-1, and a power control box cover 2-1 is provided thereon. The power control box cover 2-1 has both a protective function and is convenient for replacing the battery 2-4. The battery 2-4 is installed in the power control box 2-2, and a battery charging interface 2-3 is provided on one side of the power control box 2-2.

As shown in Figure 6: the hand-held device 3 is fixed to the upper rear end of the frame bottom plate 1-1, including a hand-held support rod 3-1, a handle 3-5 connected to the hand-held support rod 3-1 by bolts B, and the handle 3-5 is provided with an electric spray device power switch 3-2, a light switch 3-3 and a battery switch 3-4, and the handle 3-5 is made of rubber material.

As shown in Figures 6 and 7, the traction device 4 is fixed to the bottom of the rear end of the frame bottom plate 1-1, including a traction bracket 4-1 fixed to the frame bottom plate 1-1, the traction bracket 4-1 is installed with a connecting frame 4-2 through a latch 4-3, and the two sides of the connecting frame 4-2 are respectively connected to telescopic rods 4-5 through fixed support rods 1 4-51, and a fixed support rod 2 4-55 is provided on the hand support rod 3-1 in parallel with the fixed support rod 1 4-51, and the upper end of the telescopic rod 4-5 is connected to the fixed support rod 2 4-5 5; the structure of the telescopic rod 4-5 includes an upper screw 4-54, a lower screw 4-52 and a threaded sleeve 4-53 arranged in the middle, the upper screw 4-54, the lower screw 4-52 and the threaded sleeve 4-53 are threadedly connected and the thread directions are arranged in opposite directions; the connecting frame 4-2 is connected to the soil turning and cultivation integrated agricultural implement 4-4, and the soil turning and cultivation integrated agricultural implement 4-4 includes a sowing box 4-41, a sowing wheel 4-42, a sowing gear shaft 4-43, a sowing plow 4-44, and a turning plow 4-45.

As shown in Figure 8: the electric spray device 5 is fixed on the rear side of the middle box 1-2 of the frame 1, and includes an electric sprayer 5-1 and an electric sprayer power supply 5-2. The input end of the electric sprayer power supply 5-2 is connected to the electric sprayer charging interface 5-3 arranged on the electric sprayer 5-1. The upper part of the electric sprayer 5-1 is provided with a protruding nozzle 5-4, and the front end of the nozzle 5-4 is provided with an atomizing nozzle 5-5. The atomizing nozzle 5-5 corresponds to the spray holes 1-6 on both sides of the frame cover 1-7. The top of the electric sprayer 5-1 is provided with a pesticide filling port 5-6.

As shown in Figures 10, 11 and 12: the driving device 7 is arranged at the lower rear side of the frame 1, and is mainly composed of a driving motor 7-1, a half-shaft 7-2, a driving wheel 7-3, and a driving axle 7-4. The driving axle 7-4 includes a driving gear 7-41, a half-shaft gear 7-42, and a driving axle housing 7-43. The driving motor 7-1 is installed on the driving axle housing 7-43, and the driving gear 7-41 installed on the driving motor 7-1 is meshed with the half-shaft gear 7-42. The driving wheel 7-3 is installed on the half-shaft 7-2.

As shown in Figures 13, 14 and 15: the steering device 8 is arranged at the lower front side of the frame 1, and is mainly composed of a steering motor 8-1, a steering gear 8-2, a steering trapezoidal pull rod 8-3, a rotating shaft 8-4, an L-shaped steering shaft 8-5, and a steering wheel 8-6. The steering gear 8-2 includes a steering gear 8-21, a rack 8-22, a steering spring 8-23, and a steering gear housing 8-24. The steering motor 8-1 is installed on the steering gear housing 8-24. The steering gear 8-21 installed on the steering motor 8-1 is meshed with the rack 8-22. Steering springs 8-23 are provided at both ends of the rack 8-22. The steering trapezoidal pull rod 8-3 nested in the rack 8-22 is connected to the L-shaped steering shaft 8-5 welded on the rotating shaft 8-4. The rotating shaft 8-4 is installed at both ends of the steering gear housing 8-24. The L-shaped steering shaft 8-5 is equipped with a steering wheel 8-6.

As shown in Figure 9: the shock absorber 6 is provided with four groups, each group is mainly composed of a shock absorber protective shell 6-1, a shock absorber bracket 6-2, a shock absorber 6-3, and a spring 6-4. The shock absorber protective shell 6-1 is fixed on the frame 1, and the upper end 6-3a of the shock absorber is connected to the shock absorber protective shell 6-1 by a bolt B. The shock absorber bracket 6-2 is respectively arranged at both ends of the driving axle housing 7-43 of the driving device 7 and the steering gear housing 8-24 of the steering device 8. The lower end 6-3b of the shock absorber is respectively nested on the shock absorber bracket 6-2 with bolts B, and a hole cavity for the shock absorber 6-3 to pass through is provided on the frame bottom plate 1-1.

During operation, the operator turns on the battery switch 3-4 on the handle 3-5, and the circuit is energized; when spraying pesticides on crops, the operator holds the frame cover 1-7 and rotates it around the rotating hinge 1-4 to open it, injects the prepared pesticide into the electric sprayer 5-1 through the pesticide filling port 5-6 of the electric sprayer 5-1, turns on the power switch 3-2 of the electric sprayer on the handle 3-5, and the pesticide is sprayed through the spray pipe 5-4 and the atomizing nozzle 5-5;

When moving forward or backward, the operator clicks the forward button 9-31 and the reverse button 9-34 on the remote control transmitting device 9-3, and the remote control receiving device 9-2 receives the forward and reverse signals, which are further processed by the electronic control unit 9-1. The electronic control unit 9-1 sends forward and reverse instructions to the drive motor 7-1 of the drive device 7 according to the control algorithm decision. The power output by the drive motor 7-1 is evenly distributed to the half-axle gears 7-42 on the left and right sides with the drive wheels 7-3 through the drive gear 7-41, so that the drive wheels 7-3 move forward or backward;

When turning left or right, the operator clicks the left turn button 9-32 or the right turn button 9-33 on the remote control transmitting device 9-3, and the remote control receiving device 9-2 receives the left turn or right turn signal, which is further processed by the electronic control unit 9-1. The electronic control unit 9-1 sends a forward or reverse turn command to the steering motor 8-1 of the steering device 8 according to the control algorithm. The power output by the steering motor 8-1 drives the rack 8-22 meshing with the steering gear 8-21 to move left or right, and the steering trapezoidal pull rod 8-3 embedded in the rack 8-22 drives the rotation shaft 8-4 welded on the L-shaped steering shaft 8-5 to rotate, causing the steering wheel 8-6 installed on the L-shaped steering shaft 8-5 to deflect left or right at the same time.

When working at night, the operator turns on the light switch 3-3 on the handle 3-5 to illuminate the working area.

Parts not described in detail in this specification are well-known technologies in the art.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A multifunctional remote-controlled small electric agricultural machine, characterized in that it comprises an electric agricultural machine body (A) and a control device (9) mounted on the electric agricultural machine body (A), wherein: The electric agricultural machine body (A) is mainly composed of a frame (1), a power control box (2), a hand-held device (3), a traction device (4), an electric spray device (5), a vibration reduction device (6), a drive device (7) and a steering device (8); the power control box (2) and the electric spray device (5) are installed in the frame (1); the hand-held device (3) is installed at the upper part of the rear end of the frame (1); the traction device (4) is installed at the bottom of the rear end of the frame (1); the traction device (4) is connected to an integrated tillage and farming implement (4-4); the frame (1) is supported above the drive device (7) and the steering device (8) through the vibration reduction device (6); The control device (9) comprises an electric control unit (9-1), a remote control receiving device (9-2), and a remote control transmitting device (9-3); the electric control unit (9-1) is connected to the remote control receiving device (9-2); the remote control transmitting device (9-3) is provided with a forward button (9-31), a left turn button (9-32), a right turn button (9-33), and a back button (9-34); the remote control receiving device (9-2) and the remote control transmitting device (9-3) are wirelessly connected; The frame (1) is a box-type structure, comprising a frame bottom plate (1-1), an intermediate box body (1-2) and a frame cover (1-7) with a groove inside, the intermediate box body (1-2) is fixed on the frame bottom plate (1-1), the frame cover (1-7) is flippably connected to the intermediate box body (1-2) through a rotating hinge (1-4), a heat dissipation strip (1-3) is provided at the front end of the intermediate box body (1-2), a light installation hole (1-5) is provided at the front end of the frame cover (1-7) above the heat dissipation strip (1-3), and spray holes (1-6) matching with the electric spray device (5) are respectively provided on both sides of the rear part of the frame cover (1-7); the position of the intermediate box body (1-2) for installing the power control box (2), the electric spray device (5) and the hand-held device (3) is provided with a cavity or an open slot to avoid interference; The hand-held device (3) is fixed to the upper rear end of the frame bottom plate (1-1), and comprises a hand-held support rod (3-1), a handle (3-5) connected to the hand-held support rod (3-1) by a bolt (B), the handle (3-5) being provided with an electric spray device power switch (3-2), a light switch (3-3) and a battery switch (3-4), and the handle (3-5) is made of rubber material; The traction device (4) is fixed to the bottom of the rear end of the frame bottom plate (1-1), and comprises a traction bracket (4-1) fixed to the frame bottom plate (1-1); the traction bracket (4-1) is installed with a connecting frame (4-2) via a latch (4-3); both sides of the connecting frame (4-2) are respectively connected to telescopic rods (4-5) via a fixed support rod 1 (4-51); a fixed support rod 2 (4-55) is provided on the hand support rod (3-1) in parallel with the fixed support rod 1 (4-51); the upper end of the telescopic rod (4-5) is connected to the fixed support rod 2 (4-55); The rod (4-5) has a structure comprising an upper screw rod (4-54), a lower screw rod (4-52) and a threaded sleeve (4-53) arranged in the middle, wherein the upper screw rod (4-54), the lower screw rod (4-52) and the threaded sleeve (4-53) are threadedly connected and the thread directions are arranged in opposite directions; the connecting frame (4-2) is connected to the soil turning and tillage integrated agricultural implement (4-4), and the soil turning and tillage integrated agricultural implement (4-4) comprises a seeding box (4-41), a seeding wheel (4-42), a seeding gear shaft (4-43), a seeding plow (4-44), and a turning plow (4-45); The electric spray device (5) is fixed to the rear side of the middle box (1-2) of the frame (1), and comprises an electric sprayer (5-1) and an electric sprayer power supply (5-2), the input end of the electric sprayer power supply (5-2) is connected to the electric sprayer charging interface (5-3) provided on the electric sprayer (5-1), the upper part of the electric sprayer (5-1) is provided with a protruding nozzle (5-4), the front end of the nozzle (5-4) is provided with an atomizing nozzle (5-5), the atomizing nozzle (5-5) corresponds to the spray holes (1-6) on both sides of the frame cover (1-7), and the top of the electric sprayer (5-1) is provided with a pesticide filling port (5-6); The driving device (7) is arranged at the lower rear side of the vehicle frame (1), and mainly consists of a driving motor (7-1), a half shaft (7-2), a driving wheel (7-3), and a driving axle (7-4); the driving axle (7-4) comprises a driving gear (7-41), a half shaft gear (7-42), and a driving axle housing (7-43); the driving motor (7-1) is mounted on the driving axle housing (7-43); the driving gear (7-41) mounted on the driving motor (7-1) is meshed with the half shaft gear (7-42); and the driving wheel (7-3) is mounted on the half shaft (7-2); The steering device (8) is arranged at the lower front side of the vehicle frame (1), and mainly comprises a steering motor (8-1), a steering gear (8-2), a steering trapezoidal tie rod (8-3), a rotating shaft (8-4), an L-shaped steering shaft (8-5), and a steering wheel (8-6). The steering gear (8-2) comprises a steering gear (8-21), a rack (8-22), a steering spring (8-23), and a steering gear housing (8-24). The steering motor (8-1) is mounted on the steering gear housing (8-24). ), a steering gear (8-21) mounted on a steering motor (8-1) meshes with a rack (8-22), two ends of the rack (8-22) are provided with steering springs (8-23), a steering trapezoidal pull rod (8-3) nested on the rack (8-22) is connected to an L-shaped steering shaft (8-5) welded on a rotating shaft (8-4), the rotating shaft (8-4) is mounted on two ends of a steering gear housing (8-24), and a steering wheel (8-6) is mounted on the L-shaped steering shaft (8-5). 2. A multifunctional remote-controlled small electric agricultural machinery according to claim 1, characterized in that: the power control box (2) is arranged on the front side of the middle box (1-2) of the frame (1), including a power control box (2-2) fixed on the frame bottom plate (1-1), and is provided with a power control box cover (2-1), a battery (2-4) is installed in the power control box (2-2), and a battery charging interface (2-3) is provided on one side of the power control box (2-2). 3. A multifunctional remote-controlled small electric agricultural machine according to claim 2, characterized in that: the vibration reduction device (6) is provided with four groups, each group is mainly composed of a vibration reduction protection shell (6-1), a vibration reduction bracket (6-2), a vibration reduction device (6-3), and a spring (6-4), the vibration reduction protection shell (6-1) is fixed on the frame (1), the upper end (6-3a) of the vibration reduction device is connected to the vibration reduction protection shell (6-1) by a bolt (B), the vibration reduction bracket (6-2) is respectively arranged at both ends of the driving axle housing (7-43) of the driving device (7) and the steering gear housing (8-24) of the steering device (8), the lower end (6-3b) of the vibration reduction device is respectively nested on the vibration reduction bracket (6-2) by bolts (B), and the frame bottom plate (1-1) is provided with a hole cavity for the vibration reduction device (6-3) to pass through.