Segmented Soil Working Roller with Intermediary Fastening
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Solution Overview
Problem
Soil processing machines with soil working rollers face challenges in adapting to different operations due to the need for a smooth, unstructured exterior for some applications and a structured exterior for others, with existing designs compromising on stability and wear resistance.
Innovation Solution
A soil working roller design featuring a support sheath with interchangeable working sheath segments, where the support sheath provides a stable and uninterrupted surface for fastening, allowing for easy adaptation between smooth and structured exteriors without compromising processing results or durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a roller shell provides a structured working exterior with fastening structures, then adaptability to different operations is improved, but the processing result and surface quality deteriorate due to impairment from fastening structures
Solution Approach 1:
The roller shell is divided into multiple working sheath segments that can be independently fastened to the roller shell. Each segment can be selectively positioned and secured using fastening means such as bolts or clips, allowing the formation of a continuous smooth surface when needed while maintaining the ability to create structured surfaces when required.
Solution Approach 2:
A separate fastening structure is introduced as an intermediary between the roller shell and the working exterior surface. This fastening structure allows secure attachment of working sheath segments without the fastening elements being exposed on the outer surface, thus maintaining surface quality while enabling adaptability.
2Adaptability or versatility
If multiple sheath segments are fastened on the roller shell to provide a smooth exterior, then adaptability is improved, but reliability deteriorates due to wear and structural impairment
Solution Approach 1:
The fastening structure acts as a protective intermediary that shields the fastening means from direct contact with the processed material. This prevents wear on the fastening elements and maintains the structural integrity of the working sheath segments, thereby improving reliability while preserving adaptability.
Solution Approach 2:
The working sheath segments are designed with flexible yet durable materials that can withstand wear and deformation. These segments are engineered to maintain their structural integrity under operational stresses while allowing for easy attachment and removal, thus enhancing both reliability and adaptability.
3Manufacturing precision
If a roller shell provides a smooth unstructured exterior, then processing result is improved, but adaptability deteriorates due to inability to perform structured operations
Solution Approach 1:
The smooth roller shell is segmented into multiple detachable working sheath segments. These segments can be selectively attached or removed based on the operational requirements. When a smooth surface is needed, the segments are removed; when structured operations are required, the segments with appropriate surface structures are attached.
Solution Approach 2:
The roller shell system transitions from a static smooth surface to a dynamic configuration where working sheath segments can be added or removed. This dynamic adaptability allows the system to switch between smooth and structured surface configurations, enabling versatility while maintaining high processing quality when needed.
4Ease of operation
If fastening means are provided on the working exterior, then ease of operation is improved for segment attachment, but manufacturing precision deteriorates due to surface impairment
Solution Approach 1:
A dedicated fastening structure serves as an intermediary mechanism that enables easy attachment and detachment of working sheath segments without compromising the outer surface. The fastening means are positioned on the inner side or on dedicated attachment surfaces that are not part of the working exterior, thus maintaining surface continuity while facilitating operation.
Solution Approach 2:
The fastening functionality is extracted from the working exterior surface and placed on separate attachment surfaces or structures. This separation allows the working exterior to remain smooth and uninterrupted while the fastening mechanisms are positioned in locations that do not affect surface quality.
Data Source
AI summary
A soil working roller for a soil processing machine comprises a roller body (22), rotatable about a roller axis of rotation (W), with a support structure (28) for rotatable mounting of the roller body (22) and with a support sheath (34) supported radially outward on the support structure (22), further comprising a working sheath (38), which contacts a support sheath outer side (36) and provides a working exterior (46) of the soil working roller (20) and comprises a plurality of working sheath segments (40), following one another in the circumferential direction, wherein each working sheath segment (40) has a segment shell (42) and a plurality of radially inwardly projecting fastening means (76) are fixedly arranged on each segment shell (42) facing the support sheath outer side (36) of the support sheath (34) and/or on the segment shell inner side supporting the support sheath outer side (36), and wherein a fastening means through opening (78) is provided in the support sheath (34) in association with each fastening means (76), and each fastening means (76) engaging through a fastening means through opening (78) projects on a support sheath inner side of the support sheath (34) for fastening to or with respect to the roller body (22).