A light and simple remote control electric corn harvester

Abstract

This utility model provides a lightweight and simplified remote-controlled electric corn harvester, including a tracked chassis, a header assembly, and a remote controller. The tracked chassis includes a frame, a wheel assembly, and tracks. The frame is equipped with a lithium battery, a drive motor, a reducer, and an electrical control box. The wheel assembly includes drive wheels, support wheels, guide wheels, and a tensioning mechanism. The lithium battery provides power to the entire machine. Lifting lugs are welded to both the front and rear ends of the frame for use with drones for lifting. The header assembly includes a harvesting device, a straw crushing device, a header drive motor, a gearbox, a corn collection box, casters, and support legs. The remote controller wirelessly communicates with the controller in the electrical control box, thereby controlling the drive motor to enable the corn harvester to move and operate. This application features a small overall size and uses remote control to improve the operating environment for workers and reduce labor costs.

Description

Technical Field

[0001] This utility model belongs to the technical field of corn harvesters, specifically relating to a lightweight, simplified remote-controlled electric corn harvester. Background Technology

[0002] Corn is one of my country's important food crops, and the level of mechanization in its harvesting process directly affects agricultural production efficiency and farmers' working environment. However, the level of mechanization in corn harvesting in southern my country is currently low, especially in complex terrain conditions such as hilly and mountainous areas, where traditional large harvesters are difficult to adapt, resulting in insufficient mechanization.

[0003] Corn harvesting is a labor-intensive and demanding task, requiring farmers to work long hours in high temperatures and dusty conditions, which not only affects their health but also reduces work efficiency. Developing remotely controlled harvesters can effectively improve farmers' working conditions and reduce labor intensity.

[0004] Therefore, a lightweight, remote-controlled electric corn harvester is designed, which is suitable for small plots of farmland in hilly areas. This design will improve harvesting efficiency, reduce labor costs, and the modular, lightweight design will facilitate the transfer of the machine. Utility model content:

[0005] In view of this, the present invention provides a lightweight and simple remote-controlled electric corn harvester to reduce the workload of farmers and improve work efficiency.

[0006] The technical solution of this application is as follows:

[0007] A lightweight, simplified remote-controlled electric corn harvester includes a tracked chassis, a header assembly, and a remote controller. The tracked chassis includes a frame, a set of wheels, and tracks. The frame is equipped with a lithium battery, a drive motor, a reducer, and an electrical control box. The set of wheels includes a drive wheel, a support wheel, a guide wheel, and a tensioning mechanism. The set of wheels is connected to the frame. The drive motor is connected to the drive wheel via the reducer. The tensioning mechanism is connected to a tension guide tube via tension bolts and is positioned between the frame and the guide wheel. The tensioning mechanism is used to adjust the position of the guide wheel in the forward and backward direction, thereby changing the distance between the guide wheel and the drive wheel to tension or relax the tracks. The tracks are wound around the outside of the walking wheel assembly; the lithium battery provides power to the entire machine; the controller in the electrical control box controls the movement of the entire machine; the front and rear ends of the frame are also welded with hanging ears for drone lifting; the header assembly includes a harvesting device, a straw crushing device, a header drive motor, a gearbox, a corn collection box, casters, and support legs; the header drive motor provides power to the header assembly; the tracked chassis and the header assembly are fixedly connected by pins and U-bolts; the remote controller communicates wirelessly with the controller in the electrical control box, thereby controlling the walking motor to realize the movement and operation of the corn harvester.

[0008] Furthermore, the straw crushing device includes a cutter roller, multiple sling cutters, a sling cutter drive belt, a sleeve, and straw crushing baffles. The cutter roller has cutter holders on both sides. The cutter roller receives power through a drive connection with the sling cutter drive belt. The cutter roller is connected to the front and rear sling cutters via cutter holders and bolt shafts, thus driving the multiple sling cutters to work. Each sling cutter includes blades. The sling cutters are connected to each other by sleeves. The front and rear sleeves are connected to the cutter roller via cutter holders. Straw crushing baffles are installed on the left, right, and rear sides of the sling cutters, and the straw crushing baffles are welded together using rectangular square tubes to prevent straw residue from splashing. The sling cutter drive belt meshes with a gearbox. The sleeve is connected to the cutter holder via bolt shafts. A mounting base plate is provided under the cutter head drive motor, and vertical reinforcing ribs are provided on the left and right sides. The gearbox is mounted on the rectangular square tubes and transmits power to the pulley and the picking roller.

[0009] Furthermore, the ear-picking device includes a pair of ear-picking rollers, a divider, a reel, and a retaining pipe frame; the ear-picking rollers are provided with protective covers on the left and right sides and the rear, and each cover is welded with a connecting rod around its perimeter. The covers are used to prevent corn residue from splashing out during the ear-picking process; the divider includes a sheet metal base and a cylindrical rod, which is welded to the connecting rod; the rear ends of the pair of ear-picking rollers mesh with a gearbox to obtain power; the gearbox meshes with the output shaft of the header drive motor, thereby powering the ear-picking rollers; the front end of the right ear-picking roller is connected to the reel, driving the reel to rotate; the divider and the retaining pipe frame are welded to the connecting rod.

[0010] Furthermore, the corn collection box includes a box door and an electric push rod; the corn collection box is welded to the connecting rod; the electric push rod is installed on the right baffle by a connecting pin to realize the automatic opening and closing of the box door; the box door is installed on the front baffle via a hinge shaft;

[0011] Furthermore, the caster wheel is equipped with a caster wheel bracket; the caster wheel bracket is connected to the connecting rod through a rotating bearing seat and a hexagonal tube, supporting the cutter assembly and facilitating the turning of the whole machine; the hexagonal tube is welded to the cutter connecting frame; the caster wheel supports the entire cutter assembly and facilitates the turning of the whole machine.

[0012] Furthermore, the support brackets are welded to the back baffle after straw crushing, supporting the rear of the header assembly.

[0013] Compared with the prior art, the present invention has the following beneficial technical effects:

[0014] 1. The machine adopts a modular and lightweight design, mainly consisting of a tracked chassis and a cutting platform assembly, which facilitates the disassembly and transportation of the whole machine and enables multiple uses. At the same time, by combining drones and machine hoisting, the machine can easily be used for mountain operations.

[0015] 2. It adopts a tracked chassis, with a compact structure, high passability and adaptability to terrain, and is suitable for complex terrain in hilly areas. It provides a mechanical device for corn harvesting in hilly and mountainous areas, improves corn harvesting efficiency, reduces costs and reduces manual labor intensity.

[0016] 3. The machine is compact in size, making it suitable for small-scale farmland operations. It is agile and intelligent, employing remote control for its movement and operation, improving the working environment for workers and reducing labor costs. Attached image description:

[0017] Figure 1 This is a schematic diagram of the structure of a lightweight and simplified remote-controlled electric corn harvester according to this utility model;

[0018] Figure 2 This is a schematic diagram of the tracked chassis of a lightweight, simplified remote-controlled electric corn harvester according to this utility model;

[0019] Figure 3 This is a schematic diagram of the header assembly of a lightweight, simplified remote-controlled electric corn harvester according to this utility model.

[0020] Figure 4 This is a schematic diagram of a lightweight, simplified remote-controlled electric corn harvester straw crushing device according to the present invention;

[0021] Figure 5 This is a schematic diagram of a lightweight and simplified remote-controlled electric corn harvester ear-picking device according to the present invention;

[0022] Figure 6 This is a schematic diagram of the blade part of the straw crushing device of this utility model.

[0023] In the diagram, 1-separator frame, 2-divider, 3-hexagonal tube, 4-rotating bearing seat, 5-caster bracket, 6-caster, 7-header drive motor, 8-blade drive belt, 9-gearbox, 10-electrical control box, 11-lithium battery, 12-hanging lug, 13-drive wheel, 14-support wheel, 15-track, 16-guide wheel, 17-frame, 18-reducer, 19-walking motor, 20-tensioning mechanism. 21-Corn collecting box, 22-Electric push rod, 23-Hinge shaft, 24-Swing blade, 25-Box door, 26-Supporting legs, 27-Upright plate reinforcing rib, 28-Mounting base plate, 29-Straw crushing baffle, 30-Blade, 31-Blade holder, 32-Cover, 33-Ear picking roller, 34-Connecting rod, 35-Reeling reel, 36-Sheet metal base, 37-Cylindrical rod, 38-Sleeve, 39-Blade roller, 40-Bolt shaft. Detailed Implementation

[0024] To better understand the above-mentioned objectives, features and advantages of this utility model, the present application will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] like Figures 1-3As shown, this application provides a lightweight, simplified remote-controlled electric corn harvester, including a tracked chassis, a header assembly, and a remote controller. The tracked chassis includes a frame 17, a set of wheels, and tracks 15. The frame 17 is equipped with a lithium battery 11, a drive motor 19, a reducer 18, and an electrical control box 10. The set of wheels includes a drive wheel 13, a support wheel 14, a guide wheel 16, and a tensioning mechanism 20. The set of wheels is connected to the frame 17. The drive motor 19 is connected to the drive wheel 13 via the reducer 18. The tensioning mechanism 20 is connected to a tension guide tube via tension bolts and is disposed between the frame 17 and the guide wheel 16. The tensioning mechanism 20 is used to adjust the position of the guide wheel 16 in the front-rear direction, thereby changing the tension between the guide wheel 16 and the drive wheel 13. The distance allows for the tensioning or relaxation of the track 15; the track 15 is wound around the outside of the walking wheel assembly; the lithium battery 11 provides power to the entire machine; the controller in the electrical control box 10 controls the movement of the entire machine; the frame 17 is also welded with hangers 12 at both ends, and the hanger ears 12 are used for drone hoisting; the header assembly includes a harvesting device, a straw crushing device, a header drive motor 7, a gearbox 9, a corn collection box 21, casters 5, and support legs 26; the header drive motor 7 provides power to the header assembly; the tracked chassis and the header assembly are fixedly connected by pins and U-shaped connecting bolts; the remote controller communicates wirelessly with the controller in the electrical control box 10, thereby controlling the walking motor 19 to realize the movement and operation of the corn harvester.

[0026] The tracked chassis and the header assembly in this application are connected by pins to achieve modular loading and unloading. The lithium battery 11 provides power to the entire vehicle, and the battery output is connected to the tracked drive unit, the header drive unit, and the electric push rod drive unit for the box door.

[0027] Specifically, the remote control and the controller in the electrical control box 10 use an STM32 microcontroller equipped with a Lora module to form a control circuit, which realizes remote control of the machine's walking speed, steering, cutting table start and stop, and box door opening and closing.

[0028] Furthermore, such as Figure 4 and Figure 6As shown, the straw crushing device includes a cutter roller 39, multiple throwing blades 24, a throwing blade drive belt 8, a sleeve 38, and a straw crushing baffle 29. The cutter roller 39 has blade holders 31 on both sides. The cutter roller 39 obtains power through a drive connection with the throwing blade drive belt 8. The cutter roller 39 is connected to the front and rear throwing blades 24 via the blade holders 31 and bolt shafts 40, thereby driving the multiple throwing blades 24 to work. Each of the multiple throwing blades 24 includes blades 30. The throwing blades 24 are connected to each other by sleeves 38. The sleeve 38 is connected to the cutter roller 39 via the cutter holder 31; straw crushing baffles 29 are installed on the left, right and rear sides of the cutter, and the straw crushing baffles 29 are connected by rectangular square tubes to prevent straw residue from splashing; the cutter drive belt 8 meshes with the gearbox 9; the sleeve 38 is connected to the cutter holder 31 via bolt shaft 40; the cutter head drive motor 7 has a mounting base plate 28 on its lower side, and vertical reinforcing ribs 27 on its left and right sides; the gearbox 9 is installed on the rectangular square tube and transmits power to the pulley and the ear-picking roller 33.

[0029] Furthermore, such as Figure 5 As shown, the ear-picking device includes a pair of ear-picking rollers 33, a divider 2, a reel 35, and a retaining tube frame 1. The ear-picking rollers 33 are provided with protective covers 32 on their left and right sides and rear. Each cover 32 has a connecting rod 34 welded around it. The covers 32 are used to prevent corn residue from splashing out during the ear-picking process. The divider 2 includes a sheet metal base 36 and a cylindrical rod 37, which is welded to the connecting rod 34. The rear end of the ear-picking rollers 33 is connected to a gearbox 9 via connecting bolts. The gearbox 9 meshes with the output shaft of the header drive motor 7, thereby powering the ear-picking rollers 33. The front end of the right ear-picking roller is connected to the reel 35 via a transmission, driving the reel 35 to rotate. The divider 2 and the retaining tube frame 1 are welded to the connecting rod 34.

[0030] Furthermore, such as Figure 3 As shown, the corn collection box 21 includes a box door and an electric push rod 22; the corn collection box 21 is welded to the connecting rod 34; the electric push rod 22 is installed on the right baffle by a connecting pin to realize the automatic opening and closing of the box door; the box door is installed on the front baffle by a hinge shaft 23.

[0031] Among them, the electric push rod 22 is welded to one side of the corn collection box 21, and the automatic opening and closing of the box door is achieved by the retraction of the push rod;

[0032] Furthermore, such as Figure 1 As shown, the universal wheel 6 is equipped with a universal wheel bracket 5; the universal wheel bracket 5 is connected to the connecting rod 34 through a rotating bearing seat 4 and a hexagonal tube 3, supporting the cutting table assembly and facilitating the turning of the whole machine; the hexagonal tube 3 is welded to the cutting table connecting frame; the universal wheel 6 supports the entire cutting table assembly and facilitates the turning of the whole machine.

[0033] Furthermore, such as Figure 3 As shown, the support bracket 26 is welded to the back baffle of the straw crushing unit, supporting the rear of the header assembly.

[0034] The simplified remote-controlled electric corn harvester of this application moves and operates under the drive of the walking motor 19 and the header drive motor 7. The corn stalks are supported by the divider 2 and enter the picking roller 33. After the picking roller 33 clamps the stalks, it is transported to the rear and lower part of the picking roller 33. The blades in the straw crushing device at the rear and lower part crush the straw and return it to the field.

[0035] In operation, the lithium battery 11 serves as the power source for the entire machine, supplying power to the walking motor 19 in the tracked chassis and the header drive motor 7 in the header assembly. The motor's operation is controlled via a remote control, which in turn controls the operation of the tracked chassis, the picking roller 33, and the shovel blade 24. The opening and closing of the corn collection box door 25 is controlled by extending the electric push rod 22. During machine operation, the picking roller 33 rolls to pick the corn ears, which slide into the corn collection box. Simultaneously, the shovel blade 24 crushes the straw and returns it to the field. When the corn collection box 21 is full, the corn is unloaded by extending and retracting the electric push rod 22, completing the entire corn harvesting process.

[0036] This utility model corn harvester is lightweight, easy to operate, and highly adaptable, effectively saving labor costs and improving corn harvesting efficiency. Furthermore, the machine is suitable for small-plot farmland operations in hilly and mountainous areas; remote control operation reduces labor intensity and improves work efficiency; and its modular and lightweight design facilitates drone-based lifting and transportation.

[0037] The embodiments given above are preferred examples of implementing this utility model, and this utility model is not limited to the above embodiments. Any non-essential additions or substitutions made by those skilled in the art based on the technical features of the technical solution of this utility model shall fall within the protection scope of this utility model.

Claims

1. A lightweight, simplified remote-controlled electric corn harvester, characterized in that, The system includes a tracked chassis, a header assembly, and a remote controller. The tracked chassis comprises a frame, a set of wheels, and tracks. The frame houses a lithium battery, a drive motor, a reducer, and an electrical control box. The wheel set includes drive wheels, support wheels, guide wheels, and a tensioning mechanism. The wheel set is connected to the frame. The drive motor is connected to the drive wheels via the reducer. The tensioning mechanism is connected to a tension guide via tension bolts and is positioned between the frame and the guide wheels. The tensioning mechanism adjusts the position of the guide wheels in the forward / backward direction, thereby changing the distance between the guide wheels and the drive wheels to tension or loosen the tracks. The tracks are wound around the drive wheels. The outer side of the wheel assembly; the lithium battery provides power to the whole machine; the controller in the electrical control box controls the movement of the whole machine; the front and rear ends of the frame are also welded with hanging ears, which are used for drone lifting; the header assembly includes a harvesting device, a straw crushing device, a header drive motor, a gearbox, a corn collection box, casters and support legs; the header drive motor provides power to the header assembly; the tracked chassis and the header assembly are fixedly connected by pins and U-bolts; the remote controller communicates wirelessly with the controller in the electrical control box, thereby controlling the walking motor to realize the movement and operation of the corn harvester.

2. The lightweight, simplified remote-controlled electric corn harvester as described in claim 1, characterized in that, The straw crushing device includes a cutter roller, multiple scissor blades, a scissor blade drive belt, a sleeve, and straw crushing baffles. The cutter roller has blade holders on both sides. The cutter roller receives power through a drive belt connecting to the scissor blades. The cutter roller is connected to the front and rear scissor blades via blade holders and bolt shafts, thus driving the multiple scissor blades to operate. Each scissor blade includes a blade. The scissor blades are connected to each other by sleeves. The front and rear sleeves are connected to the cutter roller via blade holders. Straw crushing baffles are installed on the left, right, and rear sides of the scissor blades, and these baffles are welded together using rectangular tubing to prevent straw residue from splashing. The scissor blade drive belt meshes with a gearbox. The sleeve is connected to the blade holders via bolt shafts. A mounting base plate is provided under the cutter head drive motor, and vertical reinforcing ribs are provided on the left and right sides. The gearbox is mounted on the rectangular tubing, transmitting power to the pulley and the picking roller.

3. A lightweight, simplified remote-controlled electric corn harvester as described in claim 1 or 2, characterized in that, The ear-picking device includes a pair of ear-picking rollers, a divider, a reel, and a retaining frame. Protective covers are provided on the left and right sides and rear of the ear-picking rollers, with connecting rods welded around each cover. These covers prevent corn residue from splashing out during ear-picking. The divider includes a sheet metal base and a cylindrical rod, which is welded to the connecting rod. The rear ends of the pair of ear-picking rollers mesh with a gearbox to obtain power. The gearbox meshes with the output shaft of the header drive motor, thus powering the ear-picking rollers. The front end of the right ear-picking roller is connected to the reel, driving the reel to rotate. The divider and retaining frame are welded to the connecting rod.

4. A lightweight, simplified remote-controlled electric corn harvester as described in claim 3, characterized in that, The corn collection box includes a box door and an electric push rod; the corn collection box is welded to the connecting rod; the electric push rod is installed on the right baffle by a connecting pin to realize the automatic opening and closing of the box door; the box door is installed on the front baffle by a hinge.

5. A lightweight, simplified remote-controlled electric corn harvester as described in claim 4, characterized in that, The caster wheel is equipped with a caster wheel bracket; the caster wheel bracket is connected to the connecting rod through a rotating bearing seat and a hexagonal tube, supporting the cutter assembly and facilitating the turning of the whole machine; the hexagonal tube is welded to the cutter connecting frame; the caster wheel supports the entire cutter assembly and facilitates the turning of the whole machine.

6. A lightweight, simplified remote-controlled electric corn harvester as described in claim 5, characterized in that, The support bracket is welded to the back baffle of the straw crushing unit, supporting the rear of the header assembly.

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