Storage Container Mounting Assembly Bushing Compression Control
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Solution Overview
Problem
Existing storage tank mounting systems for transport vehicles are prone to over-tightening, which damages the vibration-damping bushings and reduces their effectiveness.
Innovation Solution
A mounting assembly with a shaft having an upper and lower threaded section and an unthreaded section, featuring a stop and a resilient bushing, limits the extent of nut travel to prevent excessive compression of the bushing, ensuring secure mounting while maintaining shock absorption capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the lock nut is tightened down against the bushing with excessive force, then the mounting becomes more secure, but the bushing is damaged and its vibration-damping capability is reduced or eliminated
Solution Approach 1:
The shaft is designed with a predetermined unthreaded section length that pre-limits the maximum compression distance of the bushing. This preliminary structural constraint prevents over-tightening before it can occur, ensuring the bushing maintains its vibration-damping properties while still achieving secure mounting through the controlled compression within the safe range.
2Strength
If the threaded section of the shaft is extended to allow greater nut travel, then the mounting can be tightened more securely, but the bushing will be excessively compressed and damaged
Solution Approach 1:
The shaft exhibits local quality variation through its threaded and unthreaded sections. The threaded sections allow controlled tightening motion, while the unthreaded section creates a localized zone that physically limits the maximum compression of the bushing. This spatial differentiation of functional properties enables secure mounting without excessive compression.
Solution Approach 2:
The design changes the geometric parameter of the shaft by introducing an unthreaded section with specific length. This parameter modification transforms the continuous threaded structure into a segmented structure that controls the compression distance, thereby preventing bushing damage while maintaining mounting security.
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 solution prevents damage to the bushings, retains their vibration-damping properties, and ensures secure mounting of storage tanks to transport vehicle beds without compromising their shock absorption capabilities.
Implementation Method 1
a resilient bushing formed of urethane, rubber or other elastomeric material capable of absorbing shock and vibration
Implementation Method 2
The resiliency of the bushing is intended to provide a degree of vibration damping between the flanges and bed
Data Source
AI summary
A storage container is provided having improved mounting assemblies for connection to the bed of a transport vehicle such as a truck or trailer.