Chain-Type Sheathing for Soil Compactor Roller Transport
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Solution Overview
Problem
Soil compactors equipped with roller tools at their external circumference are limited to use on specific sites due to high contact pressure, making transportation and movement on firm or asphalt-covered surfaces difficult, as disassembly and reassembly of the tools are required to avoid substrate damage, which is time- and cost-intensive.
Innovation Solution
A chain-type sheathing arrangement with U-shaped sheathing members that wrap around the soil-working roller, forming a ring to prevent contact between roller tools and the substrate, allowing movement and transportation without damage, using synthetic materials for reduced weight and noise, and coupling elements for easy connection and stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If roller tools are provided at the external circumference of the soil-working roller, then the soil compactor can effectively compact soil and crush rocks, but the high contact pressure causes damage to fortified substrates and prevents movement on firm roads or transportation on trucks
Solution Approach 1:
The protective covering is divided into multiple individual cover elements arranged in the circumferential direction. Each cover element can independently wrap around and protect a portion of the roller tools, allowing the protective system to be adapted to different roller configurations while maintaining protection during transport on roads and trucks.
Solution Approach 2:
A protective covering made of synthetic material is introduced as an intermediary layer between the roller tools and the substrate. This covering element acts as a mediator that prevents direct contact between the high-pressure roller tools and fortified surfaces, enabling movement on roads and transportation on trucks without damage to the substrate or roller tools.
2Reliability
If roller tools are equipped at the external circumference for site work, then soil compaction and rock crushing functions are achieved, but disassembly and reassembly are required for transportation, requiring high time and cost effort
Solution Approach 1:
The protective cover elements are pre-formed and can be quickly attached to the roller tools before transport. This preliminary preparation of the protective system allows for rapid deployment without requiring time-consuming disassembly of the roller tools themselves, reducing the time and cost effort associated with preparing for transportation.
Solution Approach 2:
The protective covering system is designed to be dynamically attachable and detachable, allowing it to be put in place before transport and removed after arrival at the work site. This dynamic approach enables the roller tools to remain permanently mounted on the roller, eliminating the need for repeated disassembly and reassembly while still providing protection during transportation.
3Object-affected harmful factors
If traditional protective coverings are used, then substrate damage is prevented, but the weight and complexity of the system increase
Solution Approach 1:
The protective covering is made from synthetic material with specifically selected physical parameters including low density and high strength-to-weight ratio. This parameter optimization allows the covering to provide effective protection against substrate damage while maintaining low weight, preventing the protective system from becoming excessively heavy.
Solution Approach 2:
Synthetic composite materials are used for the protective cover elements, combining properties of durability, flexibility, and light weight. These composite materials provide effective protection against substrate damage while keeping the overall weight of the protective system minimal, avoiding the weight increase associated with traditional protective coverings.
Data Source
AI summary
A sheathing arrangement for a soil-working roller (10), in particular for a soil compactor, comprises a plurality of immediately consecutive sheathing members (22) that are connected or connectable in chain-type fashion in longitudinal direction of an arrangement (L).