Soil Compactor Wheel Assembly With Pivotable Auxiliary Wheel Carrier
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Solution Overview
Problem
Current soil compactors with rubber-wheeled rollers face challenges in accessing wheels in the central region for maintenance or repair, as the spacing between wheels is too small, making it difficult to perform assembly or repair work without obstructing the compaction process.
Innovation Solution
A wheel assembly design where an auxiliary wheel carrier, pivotably and displaceably mounted on the main wheel carrier, allows the auxiliary wheel to be pivoted out of the way, enabling easy access to other wheels by being firmly coupled in an operating state and pivotably/displaceably coupled in an assembly state, with a pivot axis oriented parallel to the operating wheel axis and adjustable length to avoid raising the entire compactor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If wheels are positioned with small spacing to achieve full-surface compaction, then compaction quality is improved, but accessibility to central wheels for maintenance deteriorates
Solution Approach 1:
The auxiliary wheel carrier is designed to be pivotable between a fixed operating position and a movable assembly position. During compaction, the carrier is firmly coupled to the main wheel carrier, maintaining small wheel spacing for full-surface compaction. During maintenance, the carrier can be pivoted out of the way, providing easy access to wheels without requiring the entire compactor to be lifted.
2Stability of the object's composition
If the auxiliary wheel carrier is firmly coupled to the main wheel carrier, then positioning stability is improved, but ease of wheel access deteriorates
Solution Approach 1:
The wheel carrier system is divided into two independent but connectable components: the main wheel carrier and the auxiliary wheel carrier. The auxiliary carrier can be firmly coupled to the main carrier using coupling elements (bolts, nuts) during operation for stability, and easily decoupled during maintenance. This segmentation allows the auxiliary carrier to be independently positioned or removed without affecting the main carrier or requiring compactor lifting.
3Device complexity
If the pivot axis is oriented parallel to the operating wheel axis, then structural simplicity is improved, but vertical clearance requirements worsen
Solution Approach 1:
The pivot axis is deliberately offset transversely to the vertical direction with respect to the operating wheel axis of rotation. This transverse offset allows the auxiliary wheel carrier to be pivoted horizontally out of the wheel area for maintenance access, avoiding the need for vertical lifting of the compactor while maintaining structural simplicity with a parallel pivot axis orientation.
Data Source
AI summary
A wheel assembly for a soil compactor comprises a plurality of wheels (20) mounted in succession on a main wheel carrier (24) in the direction of an operating wheel axis of rotation (B), wherein at least one third wheel, which is arranged between a first wheel and a second wheel in the direction of the operating wheel axis of rotation (B), forms an auxiliary assembly wheel (205) and is mounted on the main wheel carrier (24) by means of an auxiliary wheel carrier (34), wherein the auxiliary wheel carrier (34) is firmly coupled to the main wheel carrier (24) in an auxiliary wheel operating state and is pivotable about a pivot axis and displaceable in the direction of the pivot axis in relation to the main wheel carrier (24) in an auxiliary wheel assembly state.