Self-Locking Wing Shroud for Earth Moving Bucket
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Solution Overview
Problem
Existing wing shrouds for earth moving machine buckets require additional parts or welding for fixation, making replacement complicated and time-consuming.
Innovation Solution
A wing shroud with a self-lock mechanism for detachable connection to the bucket, eliminating the need for extra equipment or welding, allowing for easy installation and replacement by engaging plugs into grooves on the bucket or tooth adapter.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If additional parts or welding are used to fix the wing shroud to the bucket, then the connection strength and reliability are improved, but the device complexity and ease of operation deteriorate due to complicated installation and replacement procedures
Solution Approach 1:
The wing shroud incorporates a self-locking mechanism with locking protrusions that automatically engage with corresponding grooves on the bucket or tooth adapter when the shroud is installed. This self-locking feature provides reliable connection without requiring additional fastening parts or welding operations, allowing the shroud to secure itself during the installation process while maintaining ease of operation for installation and removal
Solution Approach 2:
The connection system is segmented into discrete modular components: locking protrusions on the wing shroud and corresponding grooves on the bucket or tooth adapter. This segmentation allows for simple snap-fit engagement without complex assembly procedures, enabling reliable connection through basic mechanical interlocking rather than permanent joining methods
2Device complexity
If a single wing shroud is used to protect multiple wear-sensitive parts, then the device complexity is reduced, but the manufacturing precision and adaptability requirements increase
Solution Approach 1:
The wing shroud is designed as a multi-functional protection element that can simultaneously protect multiple wear-sensitive components including the tooth adapter, lateral plate, and welding lines. The shroud's geometry and positioning features are designed to accommodate variations in bucket configurations, allowing a single standardized component to serve multiple protective functions across different application scenarios
Solution Approach 2:
The wing shroud incorporates localized reinforcement and positioning features at specific areas requiring enhanced protection or precise positioning. The self-locking mechanism includes strategically placed locking protrusions and grooves that ensure accurate positioning of the shroud relative to the bucket or tooth adapter, maintaining manufacturing precision through localized geometric features rather than requiring high precision throughout the entire component
3Strength
If welding or additional parts are required for fixation, then the connection strength is improved, but the loss of time and productivity deteriorate due to time-consuming replacement procedures
Solution Approach 1:
The wing shroud's self-locking mechanism automatically creates a strong mechanical connection through engaging locking protrusions and grooves during the installation process itself, without requiring separate fastening operations or welding. This self-securing feature maintains connection strength comparable to welded or bolted solutions while enabling rapid installation and replacement by simply engaging or disengaging the locking features
Solution Approach 2:
The wing shroud is designed as a replaceable wear component with a simplified attachment system that prioritizes rapid replacement over permanent installation. The self-locking mechanism enables the shroud to be quickly removed and replaced when worn, reducing downtime and maintenance costs despite the shroud itself being a consumable part that requires periodic replacement
Data Source
AI summary
A wing shroud is provided for an earth moving machine bucket adapted to be positioned at least partially on a tooth adapter and/or at least partially on a lateral plate of the bucket for protecting wear sensitive bucket parts. The wing shroud includes at least one self-lock mechanism for a detachable connection to the bucket.