Compactor Edge Cutting Device with Adjustable Angle of Attack
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Solution Overview
Problem
Existing soil compressors struggle with effective edge processing, leading to incomplete connections between the side edge and the horizontal surface of compacted soil, resulting in cavities and inefficiencies in material storage.
Innovation Solution
A soil compressor design where the edge processing turning axis is adjustable at a first angle of attack, allowing the edge processing disc to create a deposition effect and a curved transition from the side edge to the horizontal surface, preventing sharp edges and cavities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If the edge-processing axis of rotation is positioned in the plane defined by transverse and vertical directions, then the edge-processing disc can process the side edge, but sharp-edged transitions and cavities are formed
Solution Approach 1:
The edge-processing axis of rotation is oriented at a first angle of attack with respect to the compactor transverse direction in the compactor longitudinal direction, moving the axis orientation from a two-dimensional plane (transverse-vertical) to a three-dimensional configuration. This dimensional change enables the edge-processing disc to create a curved transition with increased radius of curvature, eliminating sharp edges and preventing cavity formation while maintaining effective edge processing.
2Productivity
If the edge-processing disc is used for side edge processing, then the side edge can be processed, but cut-off soil material accumulates and requires additional removal mechanisms
Solution Approach 1:
The edge-processing disc is designed to utilize the cut-off soil material as a beneficial byproduct. By positioning the axis at an angle of attack in the longitudinal direction, the disc creates a curved transition that naturally directs cut-off material away from the compacted surface, converting what would be harmful debris into a useful element that fills potential cavities and improves surface continuity.
3Device complexity
If the edge-processing axis is fixed, then the device structure is simple, but it cannot adapt to different side edge heights and processing requirements
Solution Approach 1:
The edge-processing device incorporates an adjustable axis positioning mechanism that allows the first angle of attack to be varied. This dynamic capability enables adaptation to different side edge heights and processing requirements while maintaining the core functionality of creating curved transitions and preventing cavity formation, balancing structural simplicity with operational versatility.
Data Source
Figure 1~2
Figure 3~4
Figure 5~6b
AI summary
A soil compactor for compacting soil material (10), comprising at least one compactor roller (22) rotatable on a machine frame about a roller rotation axis (W) which is essentially orthogonal to a longitudinal direction (L) and a vertical direction (H) of the compactor and extends essentially in a transverse direction (Q) of the compactor, with an edge-processing device (24) associated therewith for processing a side edge (38) of compacted soil material (10), wherein the edge-processing device (24) comprises an edge-processing disc (26) rotatably mounted on a disc carrier (30) about an edge-processing rotation axis (K), is characterized in that the edge-processing rotation axis (K) is set or can be set at a first angle of attack (W1) with respect to the transverse direction (Q) of the compactor in the longitudinal direction (L).