Universal Inter-Row Hoe Hydraulic Layout for Variable Row Spacing
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Solution Overview
Problem
Existing inter-row hoes are not easily adaptable to various configurations of inter-row spacing and number of rows, limiting their versatility in mechanical weeding operations.
Innovation Solution
A universal inter-row hoe with a hydraulic distribution circuit, geolocation system, and adjustable components, including a guide interface, frame, lifting members, and tool carriers, allowing for easy adaptation to different configurations and spacings through a hydraulic spool valve and quick couplers for connecting to a tractor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional inter-row hoes with fixed configurations are used, then manufacturing and operational simplicity is maintained, but adaptability to different inter-row spacings and configurations is limited
Solution Approach 1:
The patent implements a universal hydraulic distribution circuit that can serve multiple lifting members (at least three) with different inter-row spacings and configurations. The circuit includes a hydraulic spool valve with multiple positions that can direct hydraulic fluid to any combination of lifting members, allowing a single machine to adapt to various agricultural configurations without requiring multiple specialized machines.
Solution Approach 2:
The hydraulic distribution circuit is segmented into modular components: a central hydraulic spool valve, multiple lifting members with independent hydraulic blocks, and a distribution network with controllable connections. This segmentation allows each lifting member to be independently controlled and positioned, enabling flexible adaptation to different inter-row configurations while maintaining systematic organization.
2Adaptability or versatility
If multiple lifting members with different configurations are provided, then versatility for different inter-row spacings is improved, but equipment cost and complexity increase
Solution Approach 1:
The patent designs a universal hydraulic distribution circuit that can accommodate at least three lifting members with different inter-row spacings using a single standardized circuit architecture. The hydraulic spool valve and distribution network are designed to serve multiple configurations, eliminating the need to manufacture separate hydraulic systems for each lifting member configuration, thereby reducing overall manufacturing costs while maintaining versatility.
Solution Approach 2:
The system allows changing operational parameters (inter-row spacings, active lifting members) without physical reconfiguration of the hydraulic circuit. The hydraulic spool valve can be positioned to direct fluid to different combinations of lifting members, enabling parameter changes through control adjustments rather than manufacturing different equipment configurations.
3Ease of operation
If hydraulic actuators are used for lifting members, then operational flexibility and precision are improved, but system complexity and maintenance requirements increase
Solution Approach 1:
The patent merges multiple hydraulic control functions into a single hydraulic spool valve that can control at least three lifting members simultaneously or independently. The hydraulic blocks associated with each lifting member use standardized components that interface with the common spool valve, consolidating control functions and reducing overall system complexity compared to having separate control systems for each actuator.
Solution Approach 2:
The hydraulic spool valve acts as an intermediary device that mediates between the tractor's hydraulic power source and multiple lifting members. It distributes hydraulic fluid to the appropriate lifting members based on operational requirements, simplifying the control architecture by providing a single point of distribution rather than requiring direct connections from the power source to each actuator.
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
Enables easy implementation and adaptation to various configurations, reducing equipment and labor costs, and ensuring precise weeding operations across diverse agricultural settings.
Implementation Method 1
a hydraulic spool valve arranged so as to enable, reverse or block the circulation of oil originating from the input and from the return of a hydraulic unit of the tractor
Implementation Method 2
an actuator hydraulically connected to a hydraulic block, allowing lifting a plurality of tool carriers
Data Source
AI summary
A universal inter-row hoe arranged to be trailed to a tractor and including at least:a guide interface trailed to the tractor,a frame secured to said guide interface, anda plurality of lifting members each being removably fastened on said frame, and allowing lifting a plurality of tool carriers thanks to an actuator hydraulically connected to a hydraulic block.The universal inter-row hoe includes a hydraulic distribution circuit.