Work Line Retention Barrier for Transverse Constraint and Bending
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Solution Overview
Problem
Existing retention systems for work lines in work vehicles fail to effectively restrict transverse movement while allowing longitudinal movement and bending, leading to potential damage and misalignment of hoses, cables, and other components.
Innovation Solution
A retention apparatus featuring a barrier with varying interior and exterior surface dimensions and shapes, allowing for secure longitudinal movement and rotational bending while restricting transverse movement, utilizing a cylindrical exterior surface with a channel for attachment and a curved interior surface with specific distance configurations to support and guide work lines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a retention system restricts transverse movement of work lines, then transverse movement is constrained, but longitudinal movement and bending are restricted
Solution Approach 1:
The barrier features a non-uniform cross-section with a narrowest portion that creates different clearance characteristics at different locations. The aperture width varies along the longitudinal axis, providing tightest constraint at the narrowest portion while allowing movement at the ends, thus locally optimizing both restriction and movement capabilities.
Solution Approach 2:
The retention apparatus allows dynamic movement of the work line in specific directions (longitudinally and bending) while maintaining static constraint in the transverse direction at the narrowest portion. The varying aperture dimensions enable the system to adapt to different movement requirements along its length.
2Ease of operation
If a barrier with varying dimensions is used to allow movement, then longitudinal movement is permitted, but transverse stability is reduced
Solution Approach 1:
The barrier's cross-sectional dimensions are optimized locally, with the narrowest portion providing maximum transverse stability where needed, while the wider end portions allow longitudinal movement and bending without compromising overall stability.
3Reliability
If clamps are used to secure work lines, then work lines are fixed, but damage and misalignment occur
Solution Approach 1:
The barrier acts as a flexible retaining structure that surrounds and guides the work line rather than clamping it rigidly. The varying aperture dimensions allow the work line to move naturally while maintaining fixation, reducing stress concentrations and preventing damage.
Solution Approach 2:
The retention apparatus provides dynamic fixation that accommodates work line movement and bending while maintaining secure positioning. This eliminates the rigid constraint of traditional clamps that cause damage and misalignment.
Data Source
AI summary
A retaining apparatus includes a barrier having an interior surface defining an aperture extending from a first end of the barrier to a second end of the barrier. The retaining apparatus has a first distance between opposing sides of the interior surface near the first end of the barrier, a second distance between the opposing sides of the interior surface at a position between the first and second ends of the barrier, and a third distance between the opposing sides of the interior surface at the second end of the barrier. The second distance is smaller than the first and third distances. The interior surface is configured to partially surround and support a work line, restricting movement of the work line in a transverse direction, allowing movement of the work line in a longitudinal direction, and allowing bending of the work line about an axis in the transverse direction.