Compactor Extension Plate Hose Routing
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Solution Overview
Problem
Compactors face challenges in maintaining visibility of drum surfaces due to hydraulic hose routing, which obstructs the view of outer drum edges and requires numerous fittings that increase labor and maintenance costs, while also being less efficient with varying drum widths.
Innovation Solution
The use of extension plates that allow hydraulic hoses to pass through the frame without sharp bends, reducing the need for bulkheads and fittings, and enabling the compactor to accommodate drums of different widths by adjusting the position and width of these plates.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If hydraulic hoses are routed through the frame with sharp bends and fittings, then the hoses can pass through the frame structure, but the visibility of drum surfaces is obstructed and the number of fittings increases
Solution Approach 1:
The patent extracts the hose routing problem from the frame structure by providing dedicated hose passage openings in the extension plate, allowing hoses to pass through without sharp bends or fittings. This removes the obstructing elements (fittings, sharp bends) while maintaining the necessary hose connection function.
Solution Approach 2:
The extension plate serves as an intermediary component between the frame and the drum support. It provides a structured pathway for hydraulic hoses through its integrated openings, mediating the hose routing to eliminate the need for additional fittings and sharp bends while maintaining structural integrity.
2Ease of manufacture
If multiple fittings are used to compensate for hose bending radius, then hoses can be routed through the frame, but labor costs and maintenance requirements increase
Solution Approach 1:
The patent merges the hose routing function with the extension plate structure by integrating openings directly into the plate. This combines multiple separate components (frame openings, fittings, bends) into a single integrated solution, reducing the total number of parts and assembly steps.
Solution Approach 2:
The extension plate serves multiple functions simultaneously: it supports the drum, provides structured hose pathways through integrated openings, and eliminates the need for separate fittings and bends. This multi-functionality reduces both initial manufacturing complexity and long-term maintenance requirements.
3Adaptability or versatility
If a single compactor chassis is used with varying drum widths, then production costs are reduced, but the hydraulic hose routing becomes more complex
Solution Approach 1:
The extension plate is designed with adjustable positioning capabilities, allowing it to be moved to accommodate different drum widths. The plate includes openings that maintain proper hose routing geometry regardless of the specific drum width, enabling dynamic adaptation without complicating the hydraulic system.
Solution Approach 2:
The patent allows for parameter changes in drum width while maintaining consistent hose routing through the extension plate design. The plate's openings are positioned to accommodate varying drum configurations, enabling the same chassis to work with different drum widths without changing the hydraulic routing approach.
Data Source
AI summary
An extension plate for use in a compactor includes an elongate body extending between a first surface configured to be coupled to the compactor frame and a second surface configured to be coupled to a support of the compactor. The first surface includes a first opening aligning with an opening into an interior of the compactor. A second opening in at least one of the elongate body or the second surface communicates with the first opening to allow passage of a hose through the extension plate and through the opening in the frame into the interior space.