Shroud Attachment Mechanism for Earth-Working Equipment
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Solution Overview
Problem
Existing shrouds for earth-working equipment are not securely attached, leading to potential damage to downstream equipment and increased maintenance downtime.
Innovation Solution
A shroud design with converging bearing surfaces that securely attach to the lip of earth-working equipment using a lock mechanism, providing reliable and easy installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wear members are secured using simple mechanical means (lock pin, bolt), then installation is simple, but retention is insufficient leading to damage to downstream equipment
Solution Approach 1:
The attachment mechanism is divided into multiple functional segments: bearing surfaces for load distribution, locking surfaces for mechanical interlocking, and recesses for precise positioning. This segmentation allows each element to perform its specific function effectively, improving overall retention without requiring a single complex mechanism
Solution Approach 2:
The lock pin is nested within the lock recess, and the bearing surfaces are integrated into the shroud structure. This nesting approach allows the locking mechanism to be compact and integrated with the bearing structure, providing secure retention while maintaining relatively simple overall device complexity
2Productivity
If wear members are frequently replaced, then equipment can continue operating, but maintenance downtime increases
Solution Approach 1:
The shroud is pre-configured with bearing surfaces, locking surfaces, and recesses during manufacturing. This preliminary preparation allows for rapid field installation and replacement without requiring complex assembly procedures, reducing maintenance downtime while enabling continuous operation
Solution Approach 2:
The design allows operators to perform maintenance replacement without requiring specialized tools or complex procedures. The self-contained locking mechanism and integrated bearing surfaces enable the wear members to be replaced by the equipment operators themselves, minimizing downtime and eliminating the need for specialized maintenance personnel
Data Source
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AI summary
Shrouds are secured to earth-working edges of many kinds of earth working equipment to extend the service life of the equipment. The shrouds include opposed surfaces to define a cavity to receive the edge. Each of the opposed surfaces includes a recess to receive a boss on the edge, wherein the longitudinal axis of the recess on the first surface is angularly oriented in a lateral direction to the longitudinal axis of the recess on the second surface.