Digging Equipment Tilt Compensation Articulation
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Solution Overview
Problem
Existing digging equipment faces difficulties when operating on non-horizontal planes, particularly in narrow and deep excavations, where the inclination of the rotation axis makes it challenging to maintain a stable trench due to impacts against edges and side walls, limiting the ability to create trenches with tortuous paths.
Innovation Solution
The digging equipment features articulation means that allow the rotation axis of the excavation tool to tilt, compensating for the tilting of the operating machine, enabling adjustments in excavation depth and orientation to maintain a horizontal orientation even in uneven terrain, using a combination of abutment runners, motor-driven excavation tools, and adjustable articulation mechanisms.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the excavator operates on a non-horizontal plane, then the machine can access difficult terrain, but the rotation axis of the excavation tool becomes inclined causing impacts against trench edges and side walls
Solution Approach 1:
The patent introduces an articulation mechanism that dynamically adjusts the rotation axis orientation of the excavation tool. The articulation means allow the rotation axis to tilt relative to the machine's longitudinal axis, enabling the tool to maintain a horizontal orientation even when the machine operates on inclined terrain. This dynamic adjustment eliminates impacts against trench edges and side walls while preserving the ability to access difficult terrain.
2Adaptability or versatility
If the rotation axis is tilted to adapt to uneven terrain, then the machine can operate on non-horizontal planes, but it becomes impossible to make narrow and deep trenches without impacting the edges
Solution Approach 1:
The articulation mechanism provides dynamic control over the rotation axis orientation, allowing the operator to independently adjust the tool's angular position relative to the machine body. This enables maintaining a horizontal rotation axis for precise trenching operations while the machine itself can be positioned on uneven terrain, thus preserving both adaptability and ease of operation for narrow and deep trenches.
3Device complexity
If the excavation tool is rigidly mounted, then the structure is simple, but the machine cannot compensate for its tilting when operating on inclined surfaces
Solution Approach 1:
The patent introduces articulation means that provide controlled mobility to the excavation tool's mounting structure. These articulation mechanisms allow the rotation axis to tilt in specific directions while maintaining structural integrity. The design achieves adaptability for compensating machine tilting with relatively simple mechanical components, balancing structural simplicity with functional versatility.
4Productivity
If the excavation tool penetrates throughout the whole radius in narrow and deep excavations, then complete material removal is achieved, but impacts against edges and side walls occur when the rotation axis is inclined
Solution Approach 1:
The articulation mechanism enables dynamic orientation adjustment of the rotation axis, allowing the excavation tool to maintain a horizontal position during operation. This ensures that the tool can penetrate throughout the whole radius for complete material removal in narrow and deep excavations without experiencing impacts against trench edges and side walls that would occur with a fixed inclined rotation axis.
Data Source
AI summary
A digging equipment includes a coupling portion coupling the digging equipment to an operating machine, an equipment body having abutment runners with a working surface, a digging tool movably mounted in the equipment body around a rotation axis (R), projecting partially frontally to the abutment runners and peripherally having a plurality of excavation elements. Adjustment means of the excavation depth of the digging equipment are functionally connected to the equipment body and to the digging tool to adjust a relative distance between the abutment runners and the plurality of excavation elements. Articulation means, mechanically interposed between the coupling portion and the digging tool allow the rotation axis (R) to move around an incident or orthogonal tilting axis (T) with respect to the rotation axis (R).