Modular Dipper Assembly for Variable Cavity Volume
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing mining shovels face challenges in efficiently accommodating various dipper sizes due to complex manufacturing processes and long lead times for custom-built units, which are not adaptable to varying mining conditions and requirements.
Innovation Solution
A modular dipper assembly comprising a first and second housing portion with an intermediate portion that can be selectively coupled to define a cavity of varying volume, allowing for easy adjustment by using different lengths of intermediate portions, and secured through welding or fasteners, enabling assembly on-site.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If custom-built dippers are manufactured to accommodate various dipper sizes, then the digging attachment can be precisely fitted for specific mining conditions, but the manufacturing process becomes complex and lead times increase
Solution Approach 1:
The dipper is divided into modular components: a first housing portion, a second housing portion, and an intermediate portion that can be selectively coupled together. This segmentation allows different dipper sizes to be assembled from the same base components by varying the intermediate portion length, thereby achieving adaptability without complex custom manufacturing for each size variation.
Solution Approach 2:
The first and second housing portions are designed as universal components that can be combined with different intermediate portions to create multiple dipper sizes. This multi-functionality allows a single set of housing portions to serve multiple purposes across different mining applications, eliminating the need for separate custom-built dippers for each size requirement.
2Adaptability or versatility
If custom-built dippers are manufactured for specific mining conditions, then the digging attachment can be optimized for particular requirements, but lead times become longer
Solution Approach 1:
The housing portions and intermediate portions are pre-manufactured as standardized components and stored in inventory. When a specific dipper configuration is needed, the appropriate components are already ready for immediate assembly, eliminating the need for time-consuming custom manufacturing processes and significantly reducing lead times while maintaining configuration adaptability.
Solution Approach 2:
By segmenting the dipper into standardized modular components that can be pre-manufactured and inventoried, the system enables rapid assembly when specific configurations are required. This modular approach transforms the manufacturing process from time-consuming custom fabrication to quick assembly from pre-prepared parts, directly reducing lead times.
3Ease of manufacture
If modular components are used to assemble dippers, then assembly can be performed on-site with common inventory components, but the coupling mechanism must be reliable enough to handle mining conditions
Solution Approach 1:
A coupling mechanism serves as an intermediary element between the first housing portion, second housing portion, and intermediate portion. This specialized coupling component ensures reliable connection of the modular segments while maintaining ease of assembly, as the coupling mechanism is designed to accommodate standard inventory components and can be efficiently joined using common fastening methods suitable for mining environments.
Data Source
AI summary
A digging attachment for an industrial excavating machine includes a first housing portion including a first housing opening, a second housing portion including a second housing opening, and an intermediate portion positioned between the first housing portion and the second housing portion. The intermediate portion may be one of a plurality of intermediate portions each having a different length that corresponds to a different volume of a cavity of the digging attachment. The length of the intermediate portion can determine the volume of the cavity. The intermediate portion may have open ends that complement a profile of the first and second housing openings. The cavity may have a substantially continuous profile between the first housing opening, the open ends of the intermediate portion, and the second housing opening. The intermediate portion may be omitted and the first housing portion may be directly couplable to the second housing portion.