Reciprocating Slat Conveyor Floor Pan Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing reciprocating slat conveyor systems face issues with friction, wear, and leakage, particularly when conveying particulate matter, due to the use of anti-friction bearings which can slip, require labor-intensive installation, and allow debris to enter the system, while liquid-tight solutions often rely on complex seals that may not be effective.
Innovation Solution
A reciprocating slat conveyor assembly featuring a floor pan with slat and beam assemblies where guide beams are secured parallel to the floor pan, optionally using low-friction materials and bearings to reduce friction, and a design that includes upward projecting sidewalls and radiused corners to prevent leakage, with the slat and beam assemblies being either bearingless or using low-friction bearings to enhance sliding and prevent debris entry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If anti-friction bearings are used between slats and guide beams, then friction is reduced and slats move more smoothly, but the bearings can slip, become worn, require labor-intensive installation, allow debris to become entrapped, add weight, and increase cost
Solution Approach 1:
The patent removes the bearings entirely from the system, extracting the problematic component that caused friction, wear, and reliability issues. The slats are designed to slide directly on the guide beams without intermediate bearing elements, eliminating all the associated problems while maintaining smooth movement through proper surface design and material selection.
Solution Approach 2:
The patent introduces a low-friction coating or material layer as an intermediary between the slat and guide beam surfaces. This intermediary layer reduces friction and allows smooth movement without requiring mechanical bearings, thereby eliminating bearing-related reliability issues while maintaining the low-friction benefit.
2Device complexity
If standard flat slats are used that rest directly on guide beams, then the structure is simple, but friction is high and slats do not move smoothly especially when wet or worn
Solution Approach 1:
The patent changes the surface parameters of the slats and guide beams by applying low-friction coatings or using specific material combinations. This parameter change reduces the coefficient of friction between surfaces, allowing smooth movement even when wet or worn, while maintaining the structural simplicity of direct contact between slats and guide beams.
3Ease of manufacture
If conventional conveyor designs are used without floor pan, then installation is simpler, but leakage prevention is difficult and debris can easily enter the system
Solution Approach 1:
The patent merges the floor pan with the conveyor structure, integrating the containment function directly into the conveyor assembly. The floor pan serves as both the base structure and the containment barrier, preventing leakage and debris entry while maintaining ease of manufacture through this unified design approach.
Solution Approach 2:
The patent uses the floor pan as a continuous containment shell that prevents leakage and debris entry. The pan acts as a flexible barrier that maintains the integrity of the conveyor system while allowing the slats to move freely above it, combining leakage prevention with manufacturing simplicity.
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 reduces friction and wear, prevents leakage, and minimizes debris entry, enhancing the efficiency and reliability of the conveyor system while maintaining a leakproof and low-maintenance design.
Implementation Method 1
friction between the slats and the beams resulted in great amounts of power lost to friction and the slats not moving smoothly on the beams
Data Source
AI summary
A reciprocating slat conveyor, as described herein, includes a floor pan (having a bottom and sidewalls) for at least substantially lining the storage container. The reciprocating conveyor also includes a plurality of slat and beam assemblies (that may be bearinged or bearingless) laterally spaced and substantially parallel to each other on the bottom of the floor pan. Slat and beam assemblies may be positioned on the sidewalls. The floor pan may have an at least generally planar bottom or an at least generally arcuate bottom.