CN113079726A

CN113079726A - Multifunctional remote control small-sized electric agricultural machine

Info

Publication number: CN113079726A
Application number: CN202110438737.1A
Authority: CN
Inventors: 张垒; 李子悦; 袁显举; 邱天宇
Original assignee: Hubei University of Automotive Technology
Current assignee: Hubei University of Automotive Technology
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-07-09

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 damping device, a driving device and a steering device, and the traction device is connected with a soil turning and cultivating integrated 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 as to remotely control the small-sized electric agricultural machine to finish the actions of advancing, retreating and steering.

Description

Multifunctional remote control small-sized electric agricultural machine

Technical Field

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

Background

Agricultural machinery is gradually applied to the field of agricultural production in order to promote agricultural economic development, liberate labor productivity and improve agricultural production convenience. Especially, the large agricultural machine has unique advantages in the aspects of automation degree and operation efficiency. However, since large agricultural machines have significant difficulties in domestic operations in large-area sloping fields, mountainous areas, hills, and other areas and in crop growth periods, small agricultural machines having high operational flexibility are widely used in fields requiring small-area operations or closed-type planting such as greenhouse planting, inter-seedling loosening, hoeing, fertilizing, and spraying of agricultural chemicals.

The inventor discovers that in the process of implementing the invention:

for example, patent application No. CN201720779052.2 discloses a small tractor, including engine, frame, steering wheel, seat, two front wheels, two rear wheels to and tractor traction frame, can be used to the agricultural cultivation under the short fruit tree and in the big-arch shelter, realize safe high-efficient operation, can alleviate administrator's intensity of labour effectively, the operating efficiency is high, still has traditional internal-combustion engine pollution rural environment, adopts the engine drive, pollutes greatly, the noise is high.

In order to reduce environmental pollution and vibration noise, patent application No. CN201610706625.9 discloses a small-size electric tractor, including power conversion equipment, battery, power control box and motor, overcome traditional diesel tractor and have polluted big, the high defect of noise, alleviateed environmental pollution to a certain extent, still can not liberate the labour, fail to realize intelligent operation.

In order to realize intellectualization, the patent application number CN201220121708.9 discloses a remote control rural tiller, which adopts two sets of remote control and manual operation systems, one set of remote control and manual operation systems is used for controlling an electromagnetic valve group by a remote controller to realize the steering of the tiller and the lifting of farm implements, the other set of remote control and manual operation systems is used for realizing the lifting of the farm implements, the steering of the tiller is completed by a triple linkage mechanism, the semi-active control is realized, but the tiller still needs to be always supervised and operated by operators, and the optimal working efficiency cannot be reached. In the operation process, the farm tools need to be replaced in real time according to different requirements, time and labor are wasted, labor intensity is high, various devices need to be prepared, and use cost is high.

In order to further improve the versatility of small agricultural machinery, to reflect the desire of agricultural operators to have multiple functions and to actually reduce the use cost, the small agricultural machinery should have technical features of multi-function integration, and patent application No. CN201510731180.5 discloses a multi-function agricultural machinery, which integrates the functions of fertilizing, ploughing and seeding together to form a reliable multi-function agricultural machinery, so as to greatly improve the working efficiency of the agricultural machinery, but still needs manual operation, and has high requirements on flexible coordination of physical strength and body of operators.

Therefore, the existing small agricultural machinery has the defects of efficiency, physical and psychological health of operators, environmental protection and multifunctional integration, and needs a continuously updated technical scheme urgently. To address the limitations, the present invention seeks to provide a multi-functional remote-controlled small-sized electric agricultural machine.

Disclosure of Invention

The invention aims to provide a multifunctional remote control small-sized electric agricultural machine which integrates triple key functions of motor driving, remote control intelligent control and multi-functionalization, can improve the production efficiency to the greatest extent, lightens the influence on physical and mental health of operating personnel, enhances environmental protection and reduces the use cost in a sharing mode.

In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a small-size electronic agricultural machinery of multi-functional remote control which characterized in that: including electronic agricultural machinery body and install the controlling means on electronic agricultural machinery 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 damper, a driving device and a steering device, wherein the power control box and the electric spraying device are installed in the frame;

the control device comprises an electric control unit, a remote control receiving device and a remote control transmitting device, wherein the electric control unit is connected with 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 backward button, and the remote control receiving device is in wireless connection with the remote control transmitting device.

Furthermore, the frame is of a box-type structure and comprises a frame bottom plate, a middle box body and a frame cover with a groove inside, the middle box body is fixed on the frame bottom plate, the frame cover is connected to the middle box body in a turnover mode through a rotating hinge, a heat dissipation strip is arranged at the front end of the middle box body, a lamp mounting hole is formed in the position, above the heat dissipation strip, of the front end of the frame cover, and spray holes matched with the electric spraying device are formed in the two sides of the rear portion of the frame cover respectively; the middle box body is provided with a hole cavity or a hollow groove for avoiding interference at the positions for mounting the power control box, the electric spraying device and the hand device. The shell device improves aesthetic property and security, can protect the motor to avoid the problem of short circuit because of overcast and rainy weather, and the frame lid sets up lighting device and realizes the night work.

Further, the power control box is arranged on the front side of the middle box body of the frame and comprises a power control box body fixed on a bottom plate of the frame, a power control box cover is arranged on the power control box body, the power control box cover is arranged to have a protection effect and facilitate replacement of a storage battery, the storage battery is arranged in the power control box body, and a storage battery charging interface is arranged on one side of the power control box body. The motor is adopted for driving, so that the environmental pollution is low and the vibration noise is low.

Furthermore, the hand-held device is fixed on the upper portion of the rear end of the frame bottom plate and comprises a hand-held support rod and a handle connected with the hand-held support rod through a bolt, a power switch of the electric spraying device, a light switch and a storage battery switch are arranged on the handle, and the handle is made of rubber materials and can prevent slipping and freeze hands in winter. The arrangement of the hand-held device can guarantee the safety of the control device after the control device fails.

Furthermore, the traction device is fixed at the bottom of the rear end of the frame bottom plate and comprises a traction support fixed on the frame bottom plate, the traction support is provided with a connecting frame through a bolt, two sides of the connecting frame are respectively connected with a telescopic rod through a first fixed supporting rod, a second fixed supporting rod is arranged on the hand supporting rod in parallel with the first fixed supporting rod, and the upper end of the telescopic rod is connected to the second fixed supporting rod; the telescopic rod structurally comprises an upper screw rod, a lower screw rod and a threaded sleeve arranged in the middle, wherein the upper screw rod and the lower screw rod are in threaded connection with the threaded sleeve, and the thread directions are opposite; the connecting frame is connected with the soil turning and cultivating integrated farm tool, and the soil turning and cultivating integrated farm tool comprises a seeding box, seeding wheels, a seeding gear shaft, a seeding plough and a turning plough. The integrated farm tool for soil turning and cultivation is arranged, so that the farm tool is prevented from being replaced in real time, the use cost is reduced, the operation efficiency is improved, the telescopic rod is arranged to control the lifting of the integrated farm tool for soil turning and cultivation, and the effect of accurate operation is realized.

Furthermore, the electric spraying device is fixed on the rear side of the middle box body of the frame and comprises an electric sprayer and an electric sprayer power supply, the input end of the electric sprayer power supply is connected with a charging interface of the electric sprayer arranged on the electric sprayer, the upper part of the electric sprayer is provided with a stretched spray pipe, the front end of the spray pipe is provided with an atomizing nozzle, the atomizing nozzle corresponds to spray holes on two sides of the frame cover, and the top of the electric sprayer is provided with a pesticide filling port for conveniently filling pesticides.

Furthermore, drive arrangement establishes in frame rear side below, mainly comprises driving motor, semi-axis, driving wheel, transaxle, and the transaxle includes drive gear, semi-axis gear, transaxle shell, and driving motor installs on transaxle shell, installs the drive gear and the meshing of semi-axis gear on driving motor, is equipped with driving wheel on the semi-axis. The driving device has the advantages of few parts, simple structure, high power transmission efficiency and small power transmission friction loss, and the driving axle is arranged to prevent soil from entering and effectively avoid the abrasion of the gear.

Furthermore, the steering device is arranged below the front side of the frame and mainly comprises a steering motor, a steering gear, a steering trapezoidal pull rod, a rotating shaft, an L-shaped steering shaft and steering wheels, wherein the steering gear comprises a steering gear, a rack, a steering spring and a steering gear shell, the steering motor is arranged on the steering gear shell, the steering gear arranged on the steering motor is meshed with the rack, the steering springs are arranged at two ends of the rack, the steering trapezoidal pull rod embedded on the rack is connected with the L-shaped steering shaft welded on the rotating shaft, the rotating shaft is arranged at two ends of the steering gear shell, and the steering wheels are arranged on the L-shaped steering shaft. The steering device has simple structure, light steering and quick steering response.

Furthermore, the vibration damper is provided with four groups, each group mainly comprises a vibration damper protective shell, a vibration damper support, a vibration damper and a spring, the vibration damper protective shell is fixed on the frame, the upper end of the vibration damper is connected with the vibration damper protective shell through a bolt, the vibration damper support is respectively arranged at two ends of a driving axle housing of the driving device and two ends of a steering device shell of the steering device, the lower end of the vibration damper is respectively embedded on the vibration damper support through a bolt, and a cavity for the vibration damper to pass through is arranged on a frame. The vibration damping device is simple in structural arrangement, good in vibration damping effect and good in working stability, and can effectively alleviate impact on the road surface.

Has the advantages that: compared with the prior art, the invention has the following effects:

1. the motor is adopted for driving, so that the environmental pollution is low, and the vibration noise is low;

2. the remote control device is arranged, so that the operation task independent of the physical strength of the operators can be realized, the operation is simple, time and labor are saved, and the harm to the physical and mental health of the operators caused by the agricultural tasks such as soil turning, ploughing, seeding, fertilizing, pesticide spraying and the like can be avoided;

3. the multifunctional agricultural machine has an integrated function of one machine for multiple purposes, can realize farming tasks such as soil turning, ploughing, sowing, fertilizing, spraying and the like, meets the desire of agricultural operators for multiple purposes of one machine, and reduces the use cost in a sharing mode;

4. the invention has simple structure, low cost, good trafficability and strong applicability;

5. the shell device for improving the aesthetic property and the safety is arranged, so that the motor can be protected from the problem of short circuit caused by rainy weather, and night operation is further realized through the light device on the frame cover;

6. the control device is provided with the hand device, so that the safety of the control device after a fault occurs can be guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

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

Fig. 3 is a schematic structural view of the vehicle frame of the present invention.

Fig. 4 is a top view of fig. 3.

Fig. 5 is a schematic view of a half section a-a in fig. 4.

Fig. 6 is a schematic view of the structure of the walking device of the present invention.

Fig. 7 is a schematic view of the structure of the traction device of the present invention.

Fig. 8 is a schematic view of the structure of the electric sprayer of the present invention.

Fig. 9 is a schematic structural view of the vibration damping device of the present invention.

Fig. 10 is a schematic structural view of the driving device of the present invention.

Fig. 11 is a front view of fig. 10.

Fig. 12 is a schematic view in half section a-a of the transaxle of fig. 11.

Fig. 13 is a schematic structural view of the steering device of the present invention.

Fig. 14 is a front view of fig. 13.

FIG. 15 is a schematic view in half section A-A of the diverter of FIG. 14.

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

Shown in the figure: the electric agricultural machine comprises an electric agricultural machine body (A), bolts (B), a frame (1), a frame bottom plate (1-1), a middle box body (1-2), heat dissipation strips (1-3), rotary hinges (1-4), light mounting holes (1-5), spray holes (1-6) of an electric spraying device (5), a frame cover (1-7), a power control box (2), a power control box cover (2-1), a power control box body (2-2), a storage battery charging interface (2-3), a storage battery (2-4), a hand-held device (3), a hand-held support rod (3-1), a power switch (3-2) of the electric spraying device, light switches (3-3), a storage battery switch (3-4), a handle (3-5) and a traction device (4), traction support (4-1), link (4-2), bolt (4-3), soil turning and farming integration agricultural implement (4-4), seeding case (4-41), seeding wheel (4-42), seeding gear shaft (4-43), seeding plough (4-44), turning plough (4-45), telescopic link (4-5), fixed support rod I (4-51), fixed support rod II (4-55), lower screw rod (4-52), threaded sleeve (4-53), upper screw rod (4-54), electric atomizer (5-1), electric atomizer power supply (5-2), electric atomizer charge interface (5-3), spray tube (5-4), atomizing spout (5-5), pesticide filling opening (5-6), vibration damper (6), vibration damper protective housing (6-1), vibration damper support (6-2), vibration damper (6-3), vibration damper upper end (6-3a), vibration damper lower end (6-3b), spring (6-4), drive device (7), drive motor (7-1), half shaft (7-2), driving wheel (7-3), drive axle (7-4), drive gear (7-41), half shaft gear (7-42), drive axle housing (7-43), steering gear (8), steering motor (8-1), steering gear (8-2), steering trapezoid pull rod (8-3), rotating shaft (8-4), L-shaped steering shaft (8-5), steering wheel (8-6), the steering mechanism comprises steering gears (8-21), racks (8-22), steering springs (8-23), steering gear shells (8-24), a control device (9), an electric control unit (9-1), a remote control receiving device (9-2), a remote control transmitting device (9-3), a forward button (9-31), a left-turn button (9-32), a right-turn button (9-33) and a backward button (9-34).

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, but the embodiment should not be construed as limiting the present invention.

The invention is shown in fig. 1 to 16:

as shown in fig. 1, 2 and 16: the utility model provides a small-size electronic agricultural machinery of multi-functional remote control, includes electronic agricultural machinery body A and installs controlling means 9 on electronic agricultural machinery body A, wherein:

the electric agricultural machine body A mainly comprises a frame 1, a power control box 2, a hand-held device 3, a traction device 4, an electric spraying device 5, a vibration damping device 6, a driving device 7 and a steering device 8, wherein the power control box 2 and the electric spraying 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 with a soil turning and cultivating integrated farm tool 4-4, and the frame 1 is supported above the driving device 7 and the steering device 8 through the vibration damping 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 with 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, and the remote control receiving device 9-2 is wirelessly connected with the remote control transmitting device 9-3.

As shown in fig. 3 and 4: the frame 1 is of a box-type structure and comprises a frame bottom plate 1-1, a middle box body 1-2 and a frame cover 1-7 with a groove in the inner part, the height of the front end of the frame cover 1-7 is lower than that of the rear end and is in arc transition, the middle box body 1-2 is fixed on the frame bottom plate 1-1, the frame cover 1-7 is connected to the middle box body 1-2 in a turnover mode through a rotating hinge 1-4, a heat dissipation strip 1-3 is arranged at the front end of the middle box body 1-2, a lamp mounting hole 1-5 is formed in the position, above the heat dissipation strip 1-3, of the front end of the frame cover 1-7, and spray holes 1-6 matched with an electric spraying device 5 are formed in two sides of the rear part of the frame; the middle box body 1-2 is provided with a hole cavity or a hollow groove for avoiding interference at the positions for installing the power control box 2, the electric spraying device 5 and the hand-held device 3.

As shown in fig. 3 and 5: the power control box 2 is arranged on the front side of a middle box body 1-2 of the frame 1 and comprises a power control box body 2-2 fixed on a frame bottom plate 1-1, a power control box cover 2-1 is arranged on the power control box body, the power control box cover 2-1 is arranged to have a protection effect and facilitate replacement of a storage battery 2-4, the storage battery 2-4 is arranged in the power control box body 2-2, and a storage battery charging interface 2-3 is arranged on one side of the power control box body 2-2.

As shown in fig. 6: the hand-held device 3 is fixed on the upper part of the rear end of the frame bottom plate 1-1 and comprises a hand-held support rod 3-1 and a handle 3-5 connected with the hand-held support rod 3-1 through a bolt B, a power switch 3-2 of an electric spraying device, a light switch 3-3 and a storage battery switch 3-4 are arranged on the handle 3-5, and the handle 3-5 is made of rubber materials.

As shown in fig. 6 and 7: the traction device 4 is fixed at the bottom of the rear end of the frame bottom plate 1-1 and comprises a traction support 4-1 fixed on the frame bottom plate 1-1, the traction support 4-1 is provided with a connecting frame 4-2 through a bolt 4-3, two sides of the connecting frame 4-2 are respectively connected with a telescopic rod 4-5 through a fixed support rod one 4-51, a fixed support rod two 4-55 is arranged on the hand supporting rod 3-1 in parallel with the fixed support rod one 4-51, and the upper end of the telescopic rod 4-5 is connected to the fixed support rod two 4-55; the telescopic rod 4-5 is structurally characterized by 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 and the lower screw rod 4-52 are in threaded connection with the threaded sleeve 4-53 and are arranged in opposite thread directions; the connecting frame 4-2 is connected with the soil turning and cultivating integrated farm tool 4-4, and the soil turning and cultivating integrated farm tool 4-4 comprises a sowing box 4-41, a sowing wheel 4-42, a sowing gear shaft 4-43, a sowing plough 4-44 and a turning plough 4-45.

As shown in fig. 8: the electric spraying device 5 is fixed on the rear side of a box body 1-2 in the middle 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 with an 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 stretched spray pipe 5-4, the front end of the spray pipe 5-4 is provided with an atomizing nozzle 5-5, the atomizing nozzle 5-5 corresponds to spray holes 1-6 on two sides of a frame cover 1-7, and the top of the electric sprayer 5-1 is provided with a pesticide filling port 5-6.

As shown in fig. 10, 11, and 12: the driving device 7 is arranged below the rear side of the frame 1 and mainly comprises a driving motor 7-1, a half shaft 7-2, driving wheels 7-3 and a driving axle 7-4, wherein 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 arranged on the driving axle housing 7-43, the driving gear 7-41 arranged on the driving motor 7-1 is meshed with the half shaft gear 7-42, and the driving wheels 7-3 are arranged on the half shaft 7-2.

As shown in fig. 13, 14, and 15: the steering device 8 is arranged below the front side of the frame 1 and mainly comprises 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 steering wheels 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 shell 8-24, the steering motor 8-1 is arranged on the steering gear shell 8-24, the steering gear 8-21 arranged on the steering motor 8-1 is meshed with the rack 8-22, the two ends of the rack 8-22 are provided with the steering spring 8-23, the steering trapezoidal pull rod 8-3 nested on the rack 8-22 is connected with the L-shaped steering shaft 8-5 welded on the rotating shaft 8-4, the rotating shaft 8-4 is arranged at two ends of a steering gear shell 8-24, and the L-shaped steering shaft 8-5 is provided with steering wheels 8-6.

As shown in fig. 9: the shock absorber 6 is provided with four groups, each group mainly comprises a shock absorber protective shell 6-1, a shock absorber support 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, the upper end 6-3a of the shock absorber is connected with the shock absorber protective shell 6-1 through a bolt B, the shock absorber supports 6-2 are respectively arranged at two ends of a drive axle shell 7-43 of the drive device 7 and a steering gear shell 8-24 of the steering device 8, the lower ends 6-3B of the shock absorber are respectively embedded on the shock absorber supports 6-2 through bolts B, and a cavity through which the shock absorber 6-3 passes is arranged on the frame bottom plate 1.

The working principle of the invention is as follows:

when in operation, an operator opens the storage battery switch 3-4 on the handle 3-5, and the circuit is electrified; when spraying pesticides on crops, an operator turns and opens the frame cover 1-7 of the trolley around the rotary hinge 1-4, the prepared pesticides are injected into the electric sprayer 5-1 through the pesticide filling opening 5-6 of the electric sprayer 5-1, the power switch 3-2 of the electric spraying device on the handle 3-5 is opened, and the pesticides are sprayed through the spray pipe 5-4 and the atomizing nozzle 5-5;

when the vehicle moves forwards and backwards, an operator clicks a forward button 9-31 and a backward button 9-34 on a remote control transmitting device 9-3, a remote control receiving device 9-2 receives forward and backward signals and further processes the forward and backward signals by an electric control unit 9-1, the electric control unit 9-1 decides to send forward and backward instructions to a driving motor 7-1 of a driving device 7 according to a control algorithm, power output by the driving motor 7-1 is evenly distributed to half shaft gears 7-42 provided with driving wheels 7-3 on the left and right sides through a driving gear 7-41, and the driving wheels 7-3 are driven to move forwards and backwards;

when turning left and right, the operator clicks the left turn button 9-32 and the right turn button 9-33 on the remote control transmitting device 9-3, the remote control receiving device 9-2 receives the left and right turn signals, the electric control unit 9-1 further processes the signals, the electric control unit 9-1 decides to send forward and backward rotation instructions to a steering motor 8-1 of a steering device 8 according to a control algorithm, power output by the steering motor 8-1 drives a rack 8-22 meshed with a steering gear 8-21 to move leftwards and rightwards, a steering trapezoidal pull rod 8-3 nested on the rack 8-22 drives a rotating shaft 8-4 welded on an L-shaped steering shaft 8-5 to rotate, and a steering wheel 8-6 arranged on the L-shaped steering shaft 8-5 is enabled to deflect leftwards and rightwards simultaneously;

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

Those skilled in the art will appreciate that the details of the present invention are not described in detail herein.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a small-size electronic agricultural machinery of multi-functional remote control which characterized in that: including electronic agricultural machinery body (A) and install controlling means (9) on electronic agricultural machinery body (A), wherein:

the electric agricultural machine body (A) mainly comprises a frame (1), a power control box (2), a hand device (3), a traction device (4), an electric spraying device (5), a vibration damping device (6), a driving device (7) and a steering device (8), wherein the power control box (2) and the electric spraying device (5) are installed in the frame (1), the hand device (3) is installed on 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 with a soil turning and cultivating integrated farm tool (4-4), and the frame (1) is supported above the driving device (7) and the steering device (8) through the vibration damping 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 with 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 backward button (9-34), and the remote control receiving device (9-2) is in wireless connection with the remote control transmitting device (9-3).

2. The multifunctional remote-control small-sized electric agricultural machine according to claim 1, wherein: the frame (1) is of a box-type structure and comprises a frame bottom plate (1-1), a middle box body (1-2) and a frame cover (1-7) with a groove inside, the middle box body (1-2) is fixed on the frame bottom plate (1-1), the frame cover (1-7) is connected to the middle box body (1-2) in a turnover mode through a rotating hinge (1-4), a heat dissipation strip (1-3) is arranged at the front end of the middle box body (1-2), a lamp mounting hole (1-5) is formed in the position, above the heat dissipation strip (1-3), of the front end of the frame cover (1-7), and spray holes (1-6) matched with the electric spraying device (5) are formed in two sides of the rear portion of the frame cover (1-7) respectively; the middle box body (1-2) is provided with a hole cavity or a hollow groove for avoiding interference at the positions for installing the power control box (2), the electric spraying device (5) and the hand-held device (3).

3. The multifunctional remote-control small-sized electric agricultural machine according to claim 2, wherein: the power control box (2) is arranged on the front side of the middle box body (1-2) of the frame (1), and comprises a power control box body (2-2) fixed on a frame bottom plate (1-1) and a power control box cover (2-1), a storage battery (2-4) is installed in the power control box body (2-2), and a storage battery charging interface (2-3) is arranged on one side of the power control box body (2-2).

4. The multifunctional remote-controlled small-sized electric agricultural machine according to claim 2 or 3, wherein: the hand-held device (3) is fixed on the upper portion of the rear end of the frame bottom plate (1-1) and comprises a hand-held support rod (3-1) and a handle (3-5) connected with the hand-held support rod (3-1) through a bolt (B), an electric spraying device power switch (3-2), a light switch (3-3) and a storage battery switch (3-4) are arranged on the handle (3-5), and the handle (3-5) is made of rubber materials.

5. The multifunctional remote-control small-sized electric agricultural machine according to claim 4, wherein: the traction device (4) is fixed at the bottom of the rear end of the frame bottom plate (1-1) and comprises a traction support (4-1) fixed on the frame bottom plate (1-1), the traction support (4-1) is provided with a connecting frame (4-2) through a bolt (4-3), two sides of the connecting frame (4-2) are respectively connected with telescopic rods (4-5) through fixed support rods (4-51), a fixed support rod II (4-55) is arranged on the hand support rod (3-1) in parallel with the fixed support rods I (4-51), and the upper end of the telescopic rod (4-5) is connected to the fixed support rod II (4-55); the telescopic rod (4-5) is structurally characterized by 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) and the lower screw rod (4-52) are in threaded connection with the threaded sleeve (4-53) and are arranged in opposite thread directions; the connecting frame (4-2) is connected with the soil turning and cultivating integrated farm tool (4-4), and the soil turning and cultivating integrated farm tool (4-4) comprises a sowing box (4-41), sowing wheels (4-42), a sowing gear shaft (4-43), a sowing plough (4-44) and a turning plough (4-45).

6. The multifunctional remote-controlled small-sized electric agricultural machine according to claim 2, 3 or 5, wherein: the electric spraying device (5) is fixed on the rear side of a middle box body (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 with an 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 an extended spray pipe (5-4), the front end of the spray pipe (5-4) is provided with an atomizing nozzle (5-5), the atomizing nozzle (5-5) corresponds to spray holes (1-6) on two sides of a frame cover (1-7), and the top of the electric sprayer (5-1) is provided with a pesticide filling port (5-6).

7. The multifunctional remote-control small-sized electric agricultural machine according to claim 6, wherein: the driving device (7) is arranged below the rear side of the frame (1) and mainly comprises a driving motor (7-1), a half shaft (7-2), driving wheels (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 installed on the driving axle housing (7-43), the driving gear (7-41) installed on the driving motor (7-1) is meshed with the half shaft gear (7-42), and the driving wheels (7-3) are installed on the half shaft (7-2).

8. A multifunctional remote-controlled small-sized electric agricultural machine according to claim 1, 2, 3, 5 or 7, characterized in that: the steering device (8) is arranged below the front side of the frame (1) and mainly comprises 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 steering wheels (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 shell (8-24), the steering motor (8-1) is arranged on the steering gear shell (8-24), the steering gear (8-21) arranged on the steering motor (8-1) is meshed with the rack (8-22), the steering spring (8-23) is arranged at two ends of the rack (8-22), the steering trapezoidal pull rod (8-3) nested on the rack (8-22) and the rotating shaft (8-4) are welded ) The L-shaped steering shafts (8-5) are connected, the rotating shafts (8-4) are arranged at two ends of a steering shell (8-24), and the L-shaped steering shafts (8-5) are provided with steering wheels (8-6).

9. The multifunctional remote-control small-sized electric agricultural machine according to claim 6, wherein: the steering device (8) is arranged below the front side of the frame (1) and mainly comprises 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 steering wheels (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 shell (8-24), the steering motor (8-1) is arranged on the steering gear shell (8-24), the steering gear (8-21) arranged on the steering motor (8-1) is meshed with the rack (8-22), the steering spring (8-23) is arranged at two ends of the rack (8-22), the steering trapezoidal pull rod (8-3) nested on the rack (8-22) and the rotating shaft (8-4) are welded ) The L-shaped steering shafts (8-5) are connected, the rotating shafts (8-4) are arranged at two ends of a steering shell (8-24), and the L-shaped steering shafts (8-5) are provided with steering wheels (8-6).

10. The multifunctional remote-control small-sized electric agricultural machine according to claim 8, wherein: the vibration damping device (6) is provided with four groups, each group mainly comprises a vibration damper protective shell (6-1), a vibration damper bracket (6-2) and a vibration damper (6-3), the shock absorber comprises springs (6-4), a shock absorber protective shell (6-1) is fixed on a vehicle frame (1), the upper end (6-3a) of the shock absorber is connected with the shock absorber protective shell (6-1) through a bolt (B), shock absorber supports (6-2) are respectively arranged at two ends of a drive axle housing (7-43) of a drive device (7) and a steering gear housing (8-24) of a steering device (8), the lower ends (6-3B) of the shock absorber are respectively embedded on the shock absorber supports (6-2) through bolts (B), and a hole cavity for the shock absorber (6-3) to pass through is formed in a vehicle frame bottom plate (1-1).