Earth Working Roller Skeletal Structure Vibration Efficiency
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Solution Overview
Problem
Existing earth working rollers lack efficiency in substrate crushing due to structural limitations, requiring a design that balances high load-bearing capacity with low mass and allows for effective vibration-based crushing mechanisms.
Innovation Solution
The earth working roller features a skeletal structure with support disks and earth working units arranged radially and circumferentially, allowing for a lightweight yet stable design that incorporates a vibration generating mechanism to enhance crushing efficiency, and includes detachable tool carriers for adaptable tool usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If a traditional roller shell design is used to enclose earth working bars, then structural completeness is achieved, but mass increases and vibration efficiency decreases
Solution Approach 1:
The patent removes the traditional roller shell that completely enclosed the earth working bars, extracting only the necessary support function while eliminating the excessive mass. The support structure is reduced to essential elements (support disks, support struts, peripheral wall) that provide stability without full enclosure, thereby reducing mass while maintaining structural integrity for vibration operations.
Solution Approach 2:
The roller body adopts a skeletal, open structure rather than a solid enclosed shell. The support disks are arranged with gaps between them, and the peripheral wall provides only partial enclosure, creating a porous-like open framework. This allows the structure to maintain stability while significantly reducing mass and improving vibration efficiency.
2Stability of the object's composition
If a skeletal open structure is used for the roller body, then mass is reduced and vibration efficiency is improved, but structural stability may be compromised
Solution Approach 1:
The support structure is divided into discrete segments: multiple support disks arranged axially, support struts connecting them radially, and a peripheral wall providing circumferential support. This segmentation allows each element to be optimized for its specific function while collectively providing overall stability. The modular segmented structure achieves high stability-to-mass ratio by placing material only where structurally necessary.
Solution Approach 2:
The support disks are designed with substantially circular outer peripheral contours, and the peripheral wall follows a curved cylindrical surface. This curvature distributes mechanical loads more efficiently across the structure compared to flat surfaces, enhancing structural stability. The circular geometry provides inherent rigidity and resistance to bending forces during vibration operations.
3Stability of the object's composition
If support disks are arranged consecutively in the direction of the roller axis, then structural stability is improved, but manufacturing complexity increases
Solution Approach 1:
The support disks serve multiple functions simultaneously: they provide axial structural support, serve as mounting surfaces for earth working units, and act as spacers between vibration-generating components. The support struts provide both radial support and connection between disks. This multi-functionality reduces the number of separate components needed, simplifying manufacturing while maintaining the consecutive arrangement for stability.
Solution Approach 2:
The peripheral wall is merged with the support structure, integrating the circumferential support function into the existing axial and radial framework. The housing is merged with the support disks through fixed connections, combining enclosure and support functions. This merging reduces assembly steps and manufacturing complexity while preserving the stable consecutive arrangement of support disks.
4Adaptability or versatility
If a closed roller shell is used, then structural completeness is achieved, but adaptability for different tools is reduced
Solution Approach 1:
The support disks are designed with detachable connections to the peripheral wall and to each other, allowing the structure to be dynamically reconfigured. Earth working units can be detached and replaced on the support disks. This dynamic design enables easy adaptation to different tool requirements while maintaining structural completeness during operation through the fixed connection system.
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 design achieves high stability and low mass, enabling efficient substrate crushing with reduced energy consumption and easy tool exchange, facilitating improved performance in various working environments.
Implementation Method 1
by means of which the earth working roller may be set into vibration to improve the crushing of the substrate
Data Source
AI summary
An earth working roller comprises a support structure (11), wherein to form a roller body (36) rotatable about a roller axis of rotation (A) on a radially outer region of the support structure (11), a plurality of first earth working units (30) is provided extending substantially in the direction of the roller axis of rotation (A) and/or a plurality of second earth working units (38) is provided extending substantially in the circumferential direction.