Sugar Beet Harvester Helical Screw Propellers Soil Separation
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current sugar beet harvesting technologies face challenges such as soil and rock contamination, equipment jamming, and crop damage due to variability in soil types and conditions, leading to inefficient harvesting and additional processing costs.
Innovation Solution
A sugar beet harvest apparatus featuring a frame with field cultivators, discs, and helical screw propellers arranged in V-shaped configurations to pierce and lift crops while pushing soil and rocks rearward, reducing soil and rock contamination and minimizing crop damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If traditional digging apparatus are used to remove root crops from earth, then the crops can be extracted, but the crops become contaminated with soil and rocks
Solution Approach 1:
The digging apparatus is divided into multiple independent digging elements (shanks with blades) that can be individually adjusted and positioned. Each digging element works independently to lift crops from specific locations, allowing selective engagement with crops while minimizing soil contact. The segmented structure enables precise control over which soil is disturbed and which crops are extracted.
Solution Approach 2:
The digging elements are designed with specific blade shapes and angles optimized for local soil conditions and crop types. Each digging element can be independently adjusted to match the local requirements of different field zones. The blades are positioned to engage crops at their optimal depth while leaving a clean separation between the crop and surrounding soil.
2Productivity
If aggressive digging methods are used to extract crops from hard or rocky soil, then extraction efficiency improves, but equipment jamming increases
Solution Approach 1:
The digging apparatus incorporates movable and adjustable components that can dynamically adapt to varying soil conditions. The digging elements can be raised, lowered, and angled independently based on real-time feedback from soil resistance. This dynamic adjustment prevents the apparatus from becoming stuck in hard or rocky soil while maintaining high extraction efficiency in softer conditions.
Solution Approach 2:
The apparatus allows for changing multiple parameters including digging depth, blade angle, and element spacing to match soil conditions. In hard or rocky soil, the system adjusts by reducing digging aggressiveness and increasing element spacing to prevent jamming. In softer soil, it increases digging intensity and decreases spacing to maximize productivity.
3Device complexity
If manual or simple mechanical methods are used to harvest root crops, then equipment complexity is low, but labor intensity and harvesting time increase
Solution Approach 1:
The apparatus combines multiple digging elements, lifting mechanisms, and crop separation functions into a single integrated unit that can harvest multiple rows simultaneously. The merging of these functions into one cohesive system reduces the need for multiple separate operations and significantly decreases harvesting time while maintaining reasonable complexity through modular design.
Solution Approach 2:
The digging apparatus is designed as a universal system that can harvest various types of root crops (beets, carrots, potatoes) and adapt to different soil conditions through adjustable parameters. This multi-functionality eliminates the need for specialized equipment for each crop type, reducing overall complexity while maintaining high productivity across diverse harvesting scenarios.
4Productivity
If traditional harvesting equipment is used to handle root crops, then crops can be removed from field, but crop damage occurs during handling
Solution Approach 1:
The apparatus introduces gentle lifting elements and support structures that act as intermediaries between the digging blades and the crops. These intermediary components cradle and support the crops during extraction, preventing direct contact between harsh mechanical elements and the delicate crop surfaces. The intermediaries transfer the lifting force in a distributed manner that minimizes stress concentration on any single point of the crop.
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 apparatus efficiently lifts sugar beets while separating soil and rocks, reducing tare and crop damage, and is durable with minimal jamming, allowing for reliable operation across various soil conditions.
Implementation Method 1
At least four helical screw propellers are also affixed to the frame, displaced from and trailing the at least one field cultivator and the at least one disc along the longitudinal axis of the root crop harvest apparatus
Data Source
AI summary
A sugar beet harvest apparatus provides in sequence a pair of field cultivator teeth, a pair of discs, and subsequent thereto a V-shaped basket of helical screw propellers. The field cultivator teeth and discs may be spaced nominally to engage both sides of a single crop row, or in an alternative embodiment may be spaced nominally to engage one side of a first crop row, and the opposed side of a second adjacent crop row. In either case, the field cultivator teeth pierce the soil and gently lift the root crop. The discs may flip the beets and soil into the helical screw propellers. A pair of ground-level helical screw propellers lift the root crop, while pulverizing the soil and cleaning the root crop in the process. Each of the helical screw propellers lift the root crop, while pushing rocks and soil rearward proximate to the soil surface.