Agricultural Spreading Machine Distribution Unit Guide
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Agricultural spreading machines face collision problems when adjusting the geometry of the handlebar arrangement during transport, which can cause the distribution unit to tilt and collide with the machine wings, especially when the machine wings move closer together in the upright transport position.
Innovation Solution
The distribution unit is supported by a linear guide that maintains its upright and centered position between the machine wings, allowing for adjustments in the articulation points of the handlebar arrangement to prevent tilting and collisions, while also enabling the machine wings to be moved closer together during transport.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the machine wings are moved closer together in the upright transport position, then the road transport width is maintained, but the distribution unit may collide with the machine wings
Solution Approach 1:
The handlebar arrangement is designed with adjustable geometry that allows it to adapt dynamically between working and transport positions. The articulation points can be repositioned to change the spatial relationship between the distribution unit and machine wings, preventing collision during transport while maintaining proper support during operation.
Solution Approach 2:
The support structure is divided into multiple articulated components (handlebars with adjustable articulation points) rather than a rigid single structure. This segmentation allows independent adjustment of each component's position and orientation, enabling the distribution unit to be kept at a safe distance from machine wings during transport.
2Object-affected harmful factors
If the geometry of the handlebar arrangement is adjusted during transport, then collision is prevented, but the distribution unit position may be adjusted unintentionally
Solution Approach 1:
The handlebar arrangement incorporates adjustable articulation points that can be repositioned to accommodate the changed spatial relationship during transport. This dynamic adjustment capability allows the geometry to change without causing unwanted position shifts in the distribution unit, as the system adapts to the new configuration.
3Manufacturing precision
If the distribution unit is supported above the seed rails, then distribution quality is improved, but the machine wing geometry adjustment causes collision problems
Solution Approach 1:
The handlebar arrangement is designed to maintain the distribution unit's optimal position above the seed rails during working operations, while allowing geometry adjustments during transport to prevent collision. The articulation points can be repositioned to change the spatial relationship, enabling the system to switch between these two operational states safely.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to an agricultural spreading machine with a tank (3) for storing granular material such as seeds or fertilizer, and a distribution unit (4) which is connected to the tank (3) via a feed line (5) and to several spreading elements (7) via distribution lines (6), wherein the distribution unit (4) is supported by a linkage arrangement (8) on foldable machine wings (14, 15) which are hingedly mounted between a lowered working position and a raised headland and/or transport position, wherein the distribution unit (4) is guided by a linear guide (13) when adjusting the machine wings (14, 15) between the working and transport positions and is held upright and centrally between the machine wings (14, 15) in both the working and transport positions.