Automated Unloader Base Belt for Bed-Loaded Trailers
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Solution Overview
Problem
Manual unloading of bed-loaded trailers is inefficient, particularly for items of irregular size and shape, leading to lower unloading rates and increased labor costs, and previous automated solutions face challenges with cost, cube loss, fleet modification, throughput, staffing, and ease of operation.
Innovation Solution
An automated unloading apparatus with a base belt system that removably attaches to the trailer and unloader, using a tensioning mechanism and stack control curtain to facilitate the automatic removal of items, allowing for both fully-automatic and semi-automatic operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual unloading is used for bed-loaded trailers, then labor flexibility is maintained, but unloading efficiency is low and labor costs are high
Solution Approach 1:
The base belt system is designed to be self-installing and self-adjusting within the trailer. The belt automatically tensions itself and positions itself to accommodate different trailer configurations without requiring manual adjustment or complex installation procedures, thereby maintaining operational simplicity while achieving automation benefits
Solution Approach 2:
The patent replaces manual mechanical unloading operations with an automated base belt system that uses mechanical conveyance to transport items from the trailer to the unloading area, eliminating the need for manual lifting and carrying while maintaining ease of operation through simple attachment and detachment mechanisms
2Productivity
If automated unloading systems are implemented, then unloading speed increases, but system complexity and cost increase
Solution Approach 1:
The automated unloading system is divided into modular components: a base belt that segments the conveying function, a tensioning mechanism that segments the control function, and a stack control curtain that segments the item management function. This segmentation allows each component to be optimized independently and simplifies installation, maintenance, and operation
Solution Approach 2:
The base belt system incorporates dynamic tensioning capabilities that automatically adjust to different load conditions and trailer configurations. The tensioning mechanism dynamically adapts the belt tension to maintain optimal performance across varying operational scenarios, reducing the need for complex manual adjustments or multiple fixed systems
3Extent of automation
If a fixed base belt system is used in trailers, then unloading automation is achieved, but trailer fleet modification requirements increase
Solution Approach 1:
The base belt system is designed with universal attachment mechanisms that can be installed in various trailer types without permanent modifications. The belt and its attachment system serve multiple functions: conveying items, adapting to different trailer widths, and accommodating various item sizes and shapes, thereby eliminating the need for trailer-specific customization
Solution Approach 2:
The system allows for parameter adjustments in belt length, tension, and positioning to accommodate different trailer configurations. By changing these parameters rather than the fundamental system design, the same base belt system can be adapted to various trailer types, maintaining automation while preserving trailer fleet versatility
4Volume of stationary object
If items are stacked densely in trailers, then cargo space utilization improves, but item access and unloading difficulty increase
Solution Approach 1:
The base belt acts as an intermediary mechanism between the densely stacked items and the unloading area. Instead of requiring direct access to individual items in the stack, the belt systematically conveys items from the bottom of the stack outward, maintaining dense cargo loading while enabling efficient automated retrieval without manual handling
Data Source
AI summary
A base belt for use with an automated unloading apparatus that can automatically unload a container having a plurality of items located on the base belt, and a container configured for use with an automated unloading apparatus. The base belt has a trailer end configured to be removably attached to a container. The base belt has an unloader end configured to be removably attached to the automated unloading apparatus. The container has a container body having an interior and an attachment point on the interior of the container.