Removable Wear Plates for Excavation Buckets
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Solution Overview
Problem
Existing excavation equipment buckets face downtime due to wear and tear, requiring specialized welding for replacement of wear plates, which is time-consuming and disrupts production.
Innovation Solution
The implementation of removable wear plates with screwing engagement using bolts and nuts, allowing for easy installation and replacement without welding, reducing maintenance downtime.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wear plates are welded to the bucket main body, then the connection is robust and reliable, but the maintenance time and complexity increase significantly
Solution Approach 1:
The wear plate assembly is segmented into separable components (wear plate, fasteners, support structures) that can be independently removed and replaced without affecting the entire bucket structure, enabling quick maintenance while maintaining connection reliability through designed fastening interfaces
Solution Approach 2:
The welding process is replaced with a mechanical fastening system using bolts, nuts, and support structures, eliminating the need for specialized welding operations while maintaining robust connection through engineered mechanical interfaces
2Reliability
If wear plates are welded to the bucket main body, then the connection is robust, but specialized welding personnel and equipment are required
Solution Approach 1:
The welding process is replaced with a mechanical fastening system using bolts, nuts, and support structures, eliminating the need for specialized welding equipment and personnel while maintaining robust connection through engineered mechanical interfaces
Solution Approach 2:
The mechanical fastening system uses standardized bolts and nuts that are universal components available in general maintenance toolkits, making the wear plate replacement procedure accessible to general maintenance personnel without specialized welding training or equipment
3Strength
If conventional welded wear plates are used, then the connection is strong, but the replacement process causes production stoppage
Solution Approach 1:
The wear plate assembly is segmented into separable components that can be quickly removed and replaced without affecting the entire bucket structure, enabling rapid maintenance that minimizes production stoppage while maintaining connection strength through designed fastening interfaces
Solution Approach 2:
The wear plates are designed with pre-positioned support structures and fastening points that allow for quick installation and removal, enabling maintenance personnel to rapidly replace worn components without extensive preparation or disassembly, thus maintaining production continuity
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
This solution enables general maintenance personnel to perform maintenance operations without specialized welding, reducing downtime and allowing for the use of thinner, lighter wear plates that enhance the bucket's performance.
Implementation Method 1
fasteners passing through the holes and secured to the main body by screwing engagement
Data Source
AI summary
A bucket may have a main body defining an inner cavity. A wear plate(s) covers an inner surface and/or an outer surface of the main body, the wear plate having holes therein. Fasteners passing through the holes and secured to the main body by screwing engagement. The wear plate(s) may cover an inner surface and/or an outer surface of the main body or the door at an interface therebetween.