Two-Piece Grinding Head Assembly for External Belt Tension Access
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Solution Overview
Problem
Existing grinding heads for floor grinding machines are complex to assemble, disassemble, and service, which complicates maintenance and repair processes, particularly when dealing with stone or stone-like materials.
Innovation Solution
A simplified grinding head design featuring a two-piece casing structure with axially distal portions that join to form a hollow casing, along with accessible belt tensioners and pulleys, facilitates easier assembly, disassembly, and servicing by allowing for external adjustments and locking mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a traditional multi-piece casing structure is used for the grinding head, then the structural strength and sealing are improved, but the assembly and disassembly complexity increases significantly
Solution Approach 1:
The grinding head casing is divided into exactly two main pieces (upper and lower casing members) that are joined together. This segmentation provides enough modularity for easy assembly and disassembly while maintaining structural integrity, avoiding the excessive complexity of multi-piece designs.
Solution Approach 2:
The upper and lower casing members are merged through a robust joining mechanism (beveled edges with axial and radial support surfaces) to form a unified hollow casing structure. This merging ensures structural strength and sealing while requiring only a single joining operation, simplifying the overall assembly process.
2Volume of moving object
If traditional internal-only component arrangement is used, then compactness is improved, but the ease of servicing and adjustment deteriorates
Solution Approach 1:
The belt tensioner is extracted from a fully internal position and repositioned to be accessible from the exterior of the hollow casing. This allows servicing and adjustment of the tensioner without disassembling the entire grinding head, significantly improving ease of repair while maintaining compact internal arrangement.
Solution Approach 2:
The hollow casing structure acts as an intermediary that provides both protection for internal components and access pathways for servicing. The casing design includes openings or access points that allow technicians to reach internal components like the belt tensioner without complete disassembly.
3Adaptability or versatility
If multiple separate components are used for belt tensioning, then the adaptability and adjustability are improved, but the device complexity and number of parts increases
Solution Approach 1:
The belt tensioner is designed as a multi-functional component that combines the pulley, tensioning mechanism, and adjustment features into a single integrated unit. This universal component provides full belt tensioning adjustability while reducing the total number of separate parts compared to traditional multi-component tensioning systems.
Data Source
AI summary
The present disclosure relates to a grinding head (1) for a floor grinding machine for grinding floor surfaces of stone or stone-like material. Such a grinding head (1) comprises a lower casing member (3), comprising a lower support (31) and an upwardly extending edge portion (32), and an upper casing member (2), comprising an upper cover (21) and a downwardly extending edge portion (22), wherein the upper casing member (2) is joinable to the lower casing member (3) by causing axially distal portions of the edge portions to bear on each other.