Electrically driven caterpillar corn harvester

By using a diesel engine to drive a generator in the corn harvester to charge the battery pack, and prioritizing power supply to the independently controlled drive motor through the battery pack, the problems of high energy consumption and noise pollution in traditional corn harvesters are solved, achieving a more energy-efficient and environmentally friendly operating method.

CN224306394UActive Publication Date: 2026-06-02袁康华

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
袁康华
Filing Date
2025-06-30
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

Traditional corn harvesters are directly driven by engines, which makes it difficult to maintain the optimal working range, resulting in low fuel efficiency, high energy consumption and serious noise pollution.

Method used

A diesel engine drives a generator to charge the battery pack, and the battery pack prioritizes power supply to the independently controlled drive motor, enabling precise power distribution for operations such as walking, picking, peeling, and lifting. It uses a permanent magnet synchronous generator and a high-energy-density lithium battery pack, combined with a central controller to monitor the load in real time.

Benefits of technology

It achieves more energy-efficient and environmentally friendly operation, reduces field noise, and improves operator comfort.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224306394U_ABST
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Abstract

The utility model discloses electric drive caterpillar type corn harvester, including harvester body and chassis, the middle part of chassis is equipped with engine and generator, and the transmission connection through the belt between engine and generator, the bottom symmetry of chassis is equipped with caterpillar walking mechanism, and the bottom of chassis is equipped with the first drive motor for driving caterpillar walking mechanism, and the front side of chassis is equipped with cutting platform mechanism, and the front side of harvester body is equipped with the second drive motor for driving cutting platform mechanism, and the middle part of harvester body is equipped with stripping, hoisting mechanism, and stripping, hoisting mechanism is equipped with the third drive motor for driving stripping, hoisting mechanism. Through above -mentioned structure, through diesel engine drive generator is charged for battery group, and by battery group preferentially for independent control's drive motor, power supply, realizes walking, ear picking, peeling and hoisting etc. The accurate power distribution of work link, compared with traditional diesel engine type, is more energy -conserving and environment -friendly, and the operation noise is low.
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Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, and in particular to an electrically driven tracked corn harvester. Background Technology

[0002] A corn harvester is an agricultural machine used to harvest corn stalks when the corn is mature or nearly mature, according to agronomic requirements. It shortens the labor cycle for farmers and frees people from heavy physical labor.

[0003] Traditional corn harvesters typically employ direct engine drive systems. However, the engine struggles to maintain its optimal operating range under complex field conditions, leading to low fuel efficiency, high energy consumption, and severe emissions. Furthermore, continuous engine operation generates high-intensity noise, significantly impacting operator comfort. Therefore, this invention provides an electrically driven tracked corn harvester to address the problems described in the background section. Utility Model Content

[0004] The purpose of this invention is to provide an electrically driven tracked corn harvester that uses a diesel engine to drive a generator to charge a battery pack, and the battery pack prioritizes power supply to the independently controlled drive motor, achieving precise power distribution for operations such as walking, picking ears, peeling, and lifting. Compared with traditional diesel engine models, it is more energy-efficient and environmentally friendly, and has lower operating noise.

[0005] To achieve the above objectives, an electrically driven tracked corn harvester is provided, comprising a harvester body and a chassis; an engine and a generator are located in the middle of the chassis, and the engine and the generator are connected by a belt drive.

[0006] The chassis is symmetrically equipped with tracked walking mechanisms at the bottom, and a first drive motor for driving the tracked walking mechanisms is provided at the bottom of the chassis. A header mechanism is provided on the front side of the chassis, and a second drive motor for driving the header mechanism is provided on the front side of the harvester body.

[0007] According to the electric-driven tracked corn harvester, a peeling and lifting mechanism is provided in the middle of the harvester body, and the peeling and lifting mechanism is provided with a third drive motor for driving the peeling and lifting mechanism.

[0008] According to the electric-driven tracked corn harvester, each of the two tracked walking mechanisms is driven by a first drive motor.

[0009] According to the electric-driven tracked corn harvester, a battery pack is provided on the top of the chassis and on one side near the rear.

[0010] According to the electric-driven tracked corn harvester, the engine is a diesel engine, the generator is a permanent magnet synchronous generator, and the engine and generator constitute a power generation system.

[0011] The electric-driven tracked corn harvester also includes a central controller, and the battery pack is a high-energy-density lithium battery pack.

[0012] This utility model has the following beneficial effects:

[0013] 1. Compared with existing technologies, this electric-driven tracked corn harvester uses a diesel engine to drive a generator to charge the battery pack, and the battery pack prioritizes power supply to the independently controlled drive motor, realizing precise power distribution for operations such as walking, picking ears, peeling, and lifting; compared with traditional diesel engine models, it is more energy-efficient and environmentally friendly, and has lower operating noise. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a side view of the electric-driven tracked corn harvester of this utility model.

[0016] Figure 2 This is a partial side view of the electric-driven tracked corn harvester of this utility model.

[0017] Figure 3 This utility model relates to an electrically driven tracked corn harvester. Figure 2 Top view of the structure.

[0018] Legend:

[0019] 1. Harvester body; 2. Chassis; 3. Engine; 4. Generator; 5. Battery pack; 6. Tracked walking mechanism; 7. First drive motor; 8. Cutting platform mechanism; 9. Second drive motor; 10. Peeling and lifting mechanism; 11. Third drive motor. Detailed Implementation

[0020] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0021] Reference Figure 1-3This utility model discloses an electrically driven tracked corn harvester, comprising a harvester body 1, a chassis 2, and a central controller. An engine 3 and a generator 4 are located in the middle of the chassis 2, connected by a belt drive. A tracked walking mechanism 6 is symmetrically arranged at the bottom of the chassis 2, providing high traction and adaptability to complex terrain. A first drive motor 7 for driving the tracked walking mechanism 6 is located at the bottom of the chassis 2. A header mechanism 8 is located at the front of the chassis 2, and a second drive motor 9 for driving the header mechanism 8 is located at the front of the harvester body 1. A peeling and lifting mechanism 10 is located in the middle of the harvester body 1, and a third drive motor 11 is provided for driving the peeling and lifting mechanism 10. The peeling action and the lifting action share the third drive motor 11 and are connected by multiple sets of chains for transmission.

[0022] During operation, the header mechanism 8 is driven by the second drive motor 9 to drive the picking roller, while the peeling and lifting mechanism 10 is driven by the third drive motor 11 to simultaneously drive the peeling roller and the spiral lifter. Power is distributed through multiple sets of chains, and the central controller monitors the load of each motor in real time. The engine 3 starts generating electricity when the battery pack 5 has low charge and stops when fully charged. The battery pack 5 prioritizes powering the first drive motor 7, and the remaining power is allocated according to the priority of header > peeling > lifting. Through independent electric drive control, it is more energy-efficient than traditional all-diesel powered models and helps reduce noise during field operations.

[0023] The two tracked walking mechanisms 6 are each driven by the first drive motor 7 to achieve differential steering.

[0024] A battery pack 5 is located on the top of the chassis 2 and on one side near the rear. The battery pack 5 is a high-energy-density lithium battery pack. The engine 3 is a diesel engine, and the generator 4 is a permanent magnet synchronous generator. The engine 3 and the generator 4 constitute a power generation system that continuously charges the battery pack 5.

[0025] Working principle: During corn harvesting, the header mechanism 8 is driven by the second drive motor 9 to drive the ear-picking roller, while the peeling and lifting mechanism 10 is driven by the third drive motor 11 to simultaneously drive the peeling roller and the auger elevator. Power is distributed through multiple chains, and the central controller monitors the load of each motor in real time. The engine 3 starts generating electricity when the battery pack 5 has low charge and stops when fully charged. The battery pack 5 prioritizes powering the first drive motor 7, and the remaining power is allocated according to the priority of header > peeling > lifting. Through independent electric drive control, it is more energy-efficient than traditional all-diesel powered models and helps reduce noise during field operations.

[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. An electrically driven tracked corn harvester, characterized in that, It includes a harvester body (1) and a chassis (2); the chassis (2) is provided with an engine (3) and a generator (4) in the middle, and the engine (3) and the generator (4) are connected by belt drive; The chassis (2) is symmetrically provided with a tracked walking mechanism (6) at the bottom. The chassis (2) is provided with a first drive motor (7) for driving the tracked walking mechanism (6) at the bottom. The chassis (2) is provided with a cutting platform mechanism (8) at the front side. The harvester body (1) is provided with a second drive motor (9) for driving the cutting platform mechanism (8) at the front side.

2. The electrically driven tracked corn harvester according to claim 1, characterized in that, The harvester body (1) is provided with a peeling and lifting mechanism (10) in the middle, and the peeling and lifting mechanism (10) is provided with a third drive motor (11) for driving the peeling and lifting mechanism (10).

3. The electrically driven tracked corn harvester according to claim 2, characterized in that, The two tracked walking mechanisms (6) are each driven by a first drive motor (7).

4. The electrically driven tracked corn harvester according to claim 3, characterized in that, The chassis (2) has a battery pack (5) on the top and near the rear side.

5. The electrically driven tracked corn harvester according to claim 4, characterized in that, The engine (3) is a diesel engine, and the generator (4) is a permanent magnet synchronous generator. The engine (3) and the generator (4) constitute a power generation system.

6. The electrically driven tracked corn harvester according to claim 5, characterized in that, It also includes a central controller, and the battery pack (5) is a high-energy-density lithium battery pack.