Spring Hinge Mechanism for Trailer Load Deck Panels
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Solution Overview
Problem
Conveyor systems in trailers face durability issues and inefficiencies during loading and unloading processes, leading to potential cargo damage and operational challenges.
Innovation Solution
A conveyor system with a support frame and conveyor rail that includes a spring hinge mechanism for load deck panels, allowing them to pivot between vertical and horizontal positions, enhancing durability and usability by facilitating efficient cargo handling and reducing damage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional rigid hinge connections are used for load deck panels, then structural strength is maintained, but durability deteriorates due to impact damages during loading and unloading
Solution Approach 1:
The hinge assembly is transformed from a rigid static connection to a dynamic system with a spring element that can flex and absorb impacts. The spring hinge allows the load deck panel to move relative to the trailer wall while maintaining connection, providing durability during cargo handling operations.
Solution Approach 2:
The spring element in the hinge assembly acts as a pre-configured cushioning mechanism that absorbs impact forces before they can damage the hinge or panel. The spring compresses during impacts from loading/unloading operations, protecting the structural integrity of the connection.
2Ease of operation
If fixed load deck panels are used, then structural stability is maintained, but ease of operation deteriorates during loading and unloading
Solution Approach 1:
The load deck panel system transitions from a fixed static structure to a dynamic hinged system that can pivot between vertical and horizontal positions. This enables operators to easily move panels during loading and unloading while the spring hinge maintains structural stability when panels are in position.
Solution Approach 2:
The hinge assembly allows the load deck panel to change its spatial parameter (position and orientation) by pivoting about the hinge axis. The spring element provides force to assist this movement, making operation easier while maintaining structural integrity throughout the range of motion.
3Strength
If heavy-duty rigid hinges are used, then strength is improved, but device complexity increases
Solution Approach 1:
The hinge assembly changes the mechanical parameter of the connection from rigid to flexible by introducing a spring element. This simple parameter change provides both strength and durability without requiring complex multi-component hinge mechanisms.
Solution Approach 2:
The spring element in the hinge assembly is a self-contained component that automatically provides cushioning and assistance during panel movement without requiring external power sources, complex control systems, or multiple auxiliary components. The spring itself performs the energy storage and force generation functions.
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 system improves the durability and efficiency of cargo handling by allowing smooth movement of cargo within the trailer, reducing the risk of damage during loading and unloading, and providing ergonomic placement and handling capabilities.
Implementation Method 1
a spring hinge for a load deck panel may include a hinge butt portion configured to be coupled to a surface of a trailer, a hinge strap portion configured to be coupled to a bottom surface of the load deck panel, a hinge pin coupling the hinge butt portion and the hinge strap portion, and a spring configured to assist in hinged movement of the load deck panel between a closed position in which the load deck panel is substantially vertical and an open position in which the load deck panel is substantially horizontal
Data Source
AI summary
A conveyor system for loading a trailer is disclosed. The conveyor system comprises a spring hinge comprising a hinge butt portion configured to be coupled to a surface of a trailer and a hinge strap portion configured to be coupled to a bottom surface of the load deck panel. The spring hinge further includes a hinge pin coupling the hinge butt portion and the hinge strap portion, the hinge pin forming a pivot axis and a position-assist element positioned below a bottom surface of the load deck panel. The position-assist element is configured to assist in hinged movement of the load deck panel about the pivot axis between a closed position in which the load deck panel is substantially vertical and an open position in which the load deck panel is substantially horizontal.