Bale Spreader Head Design for Even Multi-Direction Ejection
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Solution Overview
Problem
Existing bale spreading apparatuses face challenges in easy loading and even dispersion of bales, particularly in terms of mounting and ejection direction, which limits their effectiveness in agricultural applications.
Innovation Solution
A bale spreading apparatus with a box frame and conveyor system that utilizes horizontally or vertically mounted rotatable shafts with blades, allowing for adjustable mounting orientations and blade configurations to facilitate even distribution of bale material, including features like movable spreader heads, adjustable cowling, and bale chain drives for enhanced dispersion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the apparatus is mounted with horizontally mounted rotatable shafts with blades, then the bale material can be ejected to the side of the tractor, but the loading and dispersion evenness is insufficient
Solution Approach 1:
The spreader head is made movable relative to the box frame, allowing it to be adjusted between different positions. This dynamic adjustment capability enables the apparatus to adapt to different mounting orientations (longitudinal or transverse) and ejection directions while maintaining optimal loading and dispersion performance. The movable spreader head resolves the contradiction by providing versatility in mounting configuration without compromising the evenness of material distribution.
2Adaptability or versatility
If the apparatus is mounted with vertically mounted rotatable shafts with blades, then the bale material can be ejected longitudinally, but the structural complexity increases
Solution Approach 1:
The apparatus is designed with a universal spreader head that can function with both horizontal and vertical shaft configurations. The spreader head is constructed to accommodate blades mounted on shafts oriented in different directions, allowing a single apparatus design to achieve both side ejection (horizontal shaft) and longitudinal ejection (vertical shaft). This multi-functionality reduces overall device complexity by eliminating the need for separate apparatus designs for different ejection directions.
3Productivity
If multiple blades are mounted on the shaft, then the dispersion effectiveness is improved, but the device complexity and mechanical stress increase
Solution Approach 1:
The blades are arranged with specific radial offsets from one another, creating non-uniform local distributions of blade positions around the shaft. This local variation in blade positioning optimizes the dispersion pattern of ejected material by ensuring that blades at different angular positions contribute to different regions of the spread area. The radial offset configuration improves dispersion effectiveness while maintaining a manageable number of blades, thereby balancing productivity with device complexity.
4Adaptability or versatility
If the spreader head is made movable, then the adaptability to different mounting configurations is improved, but the mechanical stress on the mounting system increases
Solution Approach 1:
The spreader head is designed as a movable component that can be adjusted to different positions and orientations relative to the box frame. This dynamic configuration allows the mounting system to accommodate various operational requirements (side or longitudinal ejection) without requiring multiple fixed mounting structures. The movable design distributes mechanical stresses more effectively compared to rigid fixed-mounting systems, as the movement capability allows for stress relief and adjustment during operation.
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 enables efficient and controlled ejection of bale material to the side or longitudinally, accommodating various agricultural environments and reducing mechanical stress on the system, thereby improving operational efficiency and versatility.
Implementation Method 1
a conveyor on which a bale rests, the conveyor being operative to urge the bale in a longitudinal direction towards a spreader head
Implementation Method 2
the spreader head comprises one or more horizontally mounted rotatable shafts, a series of blades being mounted on at least one of said shafts
Data Source
AI summary
A bale spreading apparatus comprising a box frame which retains a bale of material, a conveyor on which a bale rests, the conveyor being operative to urge the bale in a longitudinal direction towards a spreader head which ejects bale material from the apparatus, wherein the spreader head comprises one or more rotors, the or each rotor comprising a vertically mounted rotatable shaft and a series of blades being mounted on at least one of said shafts.