Interchangeable Root Crop Share Inserts with Soldered Segmentation
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Solution Overview
Problem
Existing shares for uprooting root crops like sugar beets are costly to manufacture and do not effectively avoid damaging the roots during harvesting, leading to significant loss of root crop mass.
Innovation Solution
A share design featuring a base body with interchangeable inserts of varying shapes, including basic, upstream end, downstream end, and transitional inserts, which form a continuous guiding surface and cutting edge, allowing for efficient root crop uprooting while minimizing wear and manufacturing costs. The inserts are fixed to the base body using soldering, and the shares are designed to be easily replaceable when worn.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If complex shaped inserts with rounded cutting edges are used, then root crop mass loss is reduced, but manufacturing cost increases
Solution Approach 1:
The share is divided into a base body and separate interchangeable inserts. The inserts are standardized components with specific geometries (including rounded cutting edges) that can be manufactured independently using cost-effective processes, then assembled to the base body. This segmentation allows the complex shaped inserts to be produced more economically while maintaining their root-protection function.
Solution Approach 2:
The insert geometry parameters (particularly the rounded cutting edge radius and insert angle) are optimized to minimize root damage while allowing for standardized manufacturing. The rounded cutting edge parameter is specifically designed to reduce mechanical stress on roots during uprooting, achieving the dual goal of root protection and economical production.
2Ease of manufacture
If interchangeable inserts are used, then manufacturing cost is reduced, but wear resistance decreases
Solution Approach 1:
The inserts are designed as consumable components that can be easily replaced when worn. Instead of attempting to make the entire share wear-resistant, only the inserts (which are inexpensive to replace) are made from wear-resistant materials or given wear-resistant surface treatments. When worn, inserts are discarded and new ones are installed, maintaining continuous operational reliability at low cost.
Solution Approach 2:
The share system combines different materials: a base body made from one material (e.g., hardened steel) and inserts made from another material (e.g., tungsten carbide or other wear-resistant alloys). This composite construction allows each component to be optimized for its specific function - the base body for structural integrity and the inserts for wear resistance and cutting performance.
3Ease of operation
If inserts are fixed to base body by soldering, then ease of replacement is improved, but manufacturing precision is reduced
Solution Approach 1:
The base body includes pre-formed recesses or mounting features that are prepared in advance to receive the inserts. These recesses are precisely formed during base body manufacturing, ensuring correct insert positioning and alignment. The soldering process then simply secures the pre-positioned inserts, combining precise positioning with easy replacement capability.
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
The share design enhances harvesting efficiency by reducing root crop loss and wear on the shares, allowing for economic manufacturing and maintenance through the use of interchangeable inserts that protect the base body from soil contact and extend the share's lifespan.
Implementation Method 1
fixing the or each insert on the base body, in particular by soldering
Data Source
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AI summary
The repsent invention relates to an insert (20, 22, 24, 26) for a share for uprooting root crop, the insert having a first end (50) adapted to form a portion remote from a cutting edge (16) of the share, and a second end (52) comprising an insert edge extending along an insert edge axis (IEA) and adapted to form at least a portion of the cutting edge of the share, characterized in that the thickness of the insert, from the first end to the second end increases continuously and the second end has a thickness (T2) greater than a thickness (T1) of the first end. Further, the present invention relates to the replacement shares of root crop harvesting machines.