Adjustable Deck Positioner for Floating Roof Tanks
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Solution Overview
Problem
Existing deck positioner systems for floating roof tanks require complex and invasive installation processes, making adjustments and replacements difficult due to fixed distances and positions, which hinders adaptability to changing tank/seal conditions and desired configurations.
Innovation Solution
An adjustable deck positioner system featuring a vertical member with a pivot arm assembly and lock pin mechanism, allowing for quick adjustments and repositioning by pivoting and locking the pivot arm to set the angle, and utilizing low-friction materials for the tank engaging element, enabling easy attachment and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If fixed-distance spacers are used for deck positioners, then structural simplicity is achieved, but adaptability to changing tank/seal conditions deteriorates
Solution Approach 1:
The deck positioner employs an adjustable arm mechanism that can be repositioned to different distances from the tank wall using a lockable joint system. This dynamic adjustment capability allows the positioner to adapt to varying tank and seal conditions while maintaining structural simplicity through a straightforward mechanical design with bolted connections.
2Strength
If welding and bolting methods are used for installation, then structural strength is improved, but ease of repair and repositioning deteriorates
Solution Approach 1:
The deck positioner is divided into modular components including a vertical member, horizontal member, and adjustable arm that can be independently assembled and disassembled. The connection points utilize bolted joints rather than permanent welding, enabling easy removal and repositioning while maintaining structural integrity through properly engineered bolted connections.
3Ease of manufacture
If fixed positioners are installed, then installation simplicity is achieved, but productivity for adjustments deteriorates
Solution Approach 1:
The positioner incorporates an adjustable arm with a joint that can be quickly repositioned and locked into different positions. This dynamic feature allows rapid adjustments to the deck-to-tank-wall distance without requiring complex installation procedures or specialized tools, thereby improving adjustment productivity while keeping the overall system simple to install.
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
Facilitates quick and simple adjustments of the deck/tank gap distance, allowing for optimal seal performance and configuration changes without the need for extensive rework or replacement, enhancing operational efficiency and flexibility.
Implementation Method 1
The pivot arm assembly has a tank engaging element which may comprise a low-friction material or a wheel, which preferably comprises a low-friction material
Data Source
AI summary
An adjustable deck positioner includes a vertical member having means for attaching to a deck rim and having a pivot arm bracket; a pivot arm assembly having a pivot arm attached to the pivot arm bracket, wherein the pivot arm may pivot between a substantially vertical position within the pivot arm bracket and an extended position angled away from the vertical member; and a lock pin installed across the pivot arm bracket, for constraining movement of the pivot arm towards the vertical member, thereby setting the angle at which the pivot arm extends from the vertical member.