Inter-row Cutting Device Wire Attachment Mechanism

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Solution Overview

Problem

Current cutting devices for agricultural machines require complex coupling mechanisms for cutting wires, which are time-consuming to replace and are specific to certain wire types, limiting flexibility and versatility.

Innovation Solution

A cutting device with a rotor and independent supports with retaining elements that securely attach cutting wires, allowing for easy replacement and compatibility with various wire sizes, enabling flexible and efficient weed clearance.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If complex coupling mechanisms are used to secure cutting wires to the rotor, then the wires remain firmly attached during rotation, but the replacement time increases and flexibility is reduced

Engineering Contradiction:
Improvewire attachment reliabilityVSAvoidwire replacement time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The coupling mechanism is divided into separate modular components: a coupling element with retaining arms and a corresponding receptacle on the rotor. This segmentation allows the coupling element to be quickly detached and replaced without affecting other parts of the system, significantly reducing wire replacement time while maintaining secure attachment during operation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The coupling mechanism incorporates movable retaining arms that can transition between engaged and disengaged positions. The retaining arms are designed to flexibly engage with the rotor receptacle during rotation, providing reliable wire securement, while allowing easy manual disengagement for quick wire replacement when needed.

Inventive Principle:
Principle #15Dynamics

2Reliability

If specific coupling mechanisms are designed for certain wire types, then secure attachment is achieved, but adaptability to different wire types and sizes is limited

Engineering Contradiction:
Improvewire attachment securityVSAvoidwire type compatibility
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The coupling element is designed as a universal component that can accommodate different wire types and sizes. The retaining arms and receptacle geometry are configured to work with various wire configurations, allowing the same coupling mechanism to securely attach different wire types without requiring specialized designs for each wire type.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The coupling mechanism incorporates adjustable parameters such as retaining arm spacing and receptacle dimensions that can accommodate variations in wire diameter and type. This allows the coupling element to adapt to different wire specifications while maintaining secure attachment, providing versatility across multiple wire types and sizes.

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentEP3318116B1Inter-row cutting device
Publication Date: 2019.03.13 CABA IND
  • EP3318116B1 patent drawingFigure 1
  • EP3318116B1 patent drawingFigure 2~4
  • EP3318116B1 patent drawingFigure 5~6

AI summary

Described is a cutting device (1) preferably for cutting plants or the like by cutting wires (F1; F2; F3; F4), which can be used in the context of an agricultural machine configured to clear weeds from areas and in particular in the context of an agricultural machine configured to clear weds from areas interposed respectively between several pairs of successive rows, or in general interposed respectively between several pairs of successive elements, such as demarcation points or milestones. A cutting device (1) according to this invention allows a flexibility and an ease of use of the cutting device (1) which is considerably improved with respect to the cutting devices currently known for agricultural machinery aimed at clearing weeds from areas.