Agricultural Soil Cultivation Machine with Variable Tine Lengths
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Solution Overview
Problem
Conventional soil cultivation machines have a lack of structural simplicity and compactness, with identical tines that do not efficiently manage soil loosening across varying soil conditions.
Innovation Solution
A soil cultivation machine design featuring a frame with two cross members and pivotable tine devices of varying lengths, arranged alternately on the cross members to form multiple transverse rows of tines, allowing for adjustable line spacing and increased tine density without additional cross beams, and optionally including a 3-point hitch for towing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If multiple cross beams are used to support additional tine rows, then the number of tine transverse rows increases, but the structural complexity and device size increase
Solution Approach 1:
The patent extends tines in the longitudinal direction beyond the cross member support points, creating additional tine rows in the working direction without adding cross beams. This dimensional extension allows multiple tine rows (at least three) to be formed from a single cross member structure, resolving the contradiction between productivity and structural complexity.
Solution Approach 2:
Each cross member serves multiple functions: it provides structural support and simultaneously supports multiple tine devices at different longitudinal positions. The first and second cross members together support at least three transverse rows of tines, making the cross members multi-functional elements that increase productivity without proportionally increasing structural complexity.
2Productivity
If tines are arranged in multiple transverse rows with high density, then soil loosening efficiency improves, but the machine width and structural complexity increase
Solution Approach 1:
The patent utilizes the longitudinal dimension along the cross members to arrange tines in multiple rows, rather than only using lateral spacing. By positioning tines at different longitudinal locations on the same cross member, the design achieves high tine density and multiple transverse rows without proportionally increasing the machine's lateral width, thus improving soil loosening efficiency within a compact working width.
3Ease of manufacture
If identical tines are used for all positions, then manufacturing simplicity is maintained, but adaptability to varying soil conditions decreases
Solution Approach 1:
The patent employs different tine lengths at different longitudinal positions along the cross members. First tines and second tines have different lengths to address varying soil conditions at different locations. This local differentiation in tine characteristics allows the device to adapt to varying soil conditions while maintaining a relatively simple overall structure based on identical cross member and holder components.
4Device complexity
If the machine is designed to be compact, then transport and storage become easier, but the number of tine rows and working capacity are reduced
Solution Approach 1:
The patent achieves compactness by arranging multiple tine rows along the longitudinal axis of cross members rather than spreading them laterally. The first and second cross members, connected by longitudinal members, create a compact frame that accommodates at least three transverse rows of tines through longitudinal positioning, maintaining high working capacity within a compact footprint suitable for transport and storage.
Data Source
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AI summary
The invention relates to an agricultural soil cultivation machine (10) for loosening soil in a working direction (A1), wherein the soil cultivation machine (10) comprises: a frame (18), the frame (18) comprising a first cross member (32A) and a second cross member (32B); and a soil loosening device (12), the soil loosening device (12) comprising several first tine assemblies (24) and several second tine assemblies (22). Several first tine assemblies (24) and several second tine assemblies (22) are attached to the first cross member (32A), and several first tine assemblies (24) and/or several second tine assemblies (22) are attached to the second cross member (32B). The several first tine assemblies (24) are longer than the several second tine assemblies (22) with respect to the working direction (A1).The soil cultivation machine (10) has a 3-point hitch (30) for attachment to a towing vehicle, wherein alternatively or additionally the soil cultivation machine (10) has a maximum working width of less than or equal to 4m.