Soil Treatment Device Support Wheel Mechanism
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Solution Overview
Problem
Existing soil cultivation devices with a large working width face difficulties in maintaining traction on headlands due to the upward force generated at the towing eye, which relieves the rear axle of the towing vehicle, making it harder to operate effectively.
Innovation Solution
A support device with a support wheel is integrated into the transverse frame, allowing it to be lowered during headland sweeping to carry part of the working area's weight, and can be pivoted and raised to adapt to different positions, ensuring the rear axle is not relieved, with a hydraulic cylinder and link mechanism for easy operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the working areas are arranged behind the chassis, then the device maintains a compact structure and easy operation, but the rear axle of the towing vehicle is relieved, making it difficult to maintain traction on headlands
Solution Approach 1:
A support device with a support wheel is introduced as an intermediary element between the working areas and the towing vehicle. This support device acts as a mediator that transfers part of the weight of the working areas away from the rear axle, thereby maintaining traction without requiring the working areas to be positioned in front of the chassis.
2Object-generated harmful factors
If the support device is lowered during headland sweeping, then the rear axle load is reduced and traction is maintained, but the device complexity increases
Solution Approach 1:
The support device is designed with dynamic characteristics, allowing it to be lowered during headland sweeping operations to maintain traction, and raised during transport to minimize complexity. The support wheel can pivot and the support device can be positioned in different states (lowered or raised) depending on the operational mode, providing adaptability without permanent complexity.
3Adaptability or versatility
If the support device is designed with pivotable working fields, then the device adapts to different positions and transport requirements, but the mechanism complexity increases
Solution Approach 1:
The working fields are segmented and made pivotable relative to the transverse frame, allowing each section to be independently positioned. This segmentation enables the working fields to be swung up and pivoted forward about an inclined axis, providing adaptability for both work and transport positions while using a relatively simple pivot mechanism rather than a complex multi-axis system.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design reduces the load on the rear axle of the towing vehicle, maintains traction, and allows for efficient operation and transport by distributing the weight effectively, preventing the rear axle from being relieved and ensuring stable operation on uneven ground.
Implementation Method 1
The support device can be acted upon with a preselectable support force and is designed to be elastically flexible. The support device can be brought into the respective operating position via a hydraulic cylinder and a link mechanism.
Implementation Method 2
The transverse frame is assigned a support device with at least one support wheel, which can be lowered in the working position during sweeping on the headland and is thus designed to carry part of the weight of the working areas.
Implementation Method 3
The support device can be brought into the respective operating position via a hydraulic cylinder and a link mechanism. With the help of a hydraulic cylinder and a link gear, the landing gear can be easily swiveled out and lowered.
Data Source
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AI summary
The invention relates to a soil treatment device (1) having a large working width, wherein the work fields (7), in the working position, are disposed behind the chassis (5) and the tractive vehicle in front of the chassis (5). A supporting device (10) is arranged behind the work fields (7) and ensures that not too much load is taken off the rear axle of the tractive vehicle when the work fields (7) are lifted and that not too much load is put on the chassis (5) itself.