Log Trailer Load Adjustment Assembly with Movable Bolster
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Solution Overview
Problem
Existing log trailers are unable to securely accommodate logs of varying lengths, necessitating a solution for efficient adjustment and securement.
Innovation Solution
A log trailer load adjustment assembly comprising a bolster with pivotably coupled links and a locking mechanism, allowing the bolster to move forward or rearward to adjust to different log lengths, and a locking mechanism to secure it in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a fixed bolster is used on the log trailer, then the structure is simple and stable, but it cannot accommodate logs of varying lengths
Solution Approach 1:
The bolster is transformed from a fixed structure to a movable one through the linkage mechanism. The bolster can now move forward and rearward along the trailer frame to accommodate logs of different lengths, while the linkage system provides the necessary mechanical movement capability without requiring complex active control systems
Solution Approach 2:
The trailer structure is divided into separate functional components: the movable bolster, the linkage mechanism with multiple links and pivot points, and the locking mechanism. This segmentation allows each component to perform its specific function independently while working together to achieve the overall goal of adjustable log accommodation
2Adaptability or versatility
If the bolster is made movable to adjust to different log lengths, then adaptability improves, but the stability and security of log securement may be compromised
Solution Approach 1:
The locking mechanism is designed to secure the bolster in its adjusted position before log loading begins. By pre-locking the bolster at the appropriate position based on log length, the system ensures stability during the entire log loading and transport process, eliminating the risk of movement during operation
Solution Approach 2:
The system transitions from a static fixed bolster to a dynamically adjustable bolster with controlled movement. The linkage mechanism enables smooth adjustment, while the locking mechanism provides stable fixation, creating a system that is both adaptable and reliable depending on the operational phase
3Reliability
If a locking mechanism is added to secure the movable bolster, then securement reliability improves, but device complexity increases
Solution Approach 1:
The locking mechanism is designed to be operated manually by workers during the log loading process. The system uses gravity and mechanical advantage through the linkage to assist in the locking and unlocking actions, reducing the need for additional actuators, motors, or complex control systems while still providing reliable securement
Solution Approach 2:
The locking mechanism is integrated with the existing linkage system and trailer frame structure. The lock frame, hook portion, and cross-brace work together as a unified system that utilizes the structural elements already present in the trailer, minimizing the addition of separate components and reducing overall complexity
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
Enables secure adjustment and accommodation of logs of varying lengths, enhancing the efficiency and stability of log transportation.
Implementation Method 1
The plurality of links is at a first end pivotably coupled to a trailer frame and at a second end pivotably coupled to the crossbar
Implementation Method 2
the locking mechanism pivots about a first axis. When the distal end of the lock frame is lowered, the hook portion engages a cross-brace of the trailer frame
Implementation Method 3
The proximal end of the lever comprises a weight that rests against the plurality of lock mounting plates and is received in a space between the crossbar of the bolster and the proximal end of the lock frame to prevent the lock frame from being lifted
Data Source
AI summary
A log trailer load adjustment assembly includes a bolster and a plurality of links. The bolster has a crossbar. The plurality of links is at a first end pivotably coupled to a trailer frame and at a second end pivotably coupled to the crossbar such that the bolster can be moved forward or rearward.