Work Vehicle Wire Supporting Link Mechanism
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Solution Overview
Problem
Existing wire supporting apparatuses in work vehicles suffer from wire damage due to friction between the wire and the link mechanism during bending/stretching motions, as the wire is not adequately fixed in position, leading to increased wear and potential entrapment of foreign objects.
Innovation Solution
A wire supporting apparatus with a link mechanism that includes a supporting mechanism to fix the wire in position between link members, reducing positional changes and friction, and featuring a plate link member with an outwardly bulging curve to create a gap and minimize entrapment of foreign objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the wire is supported to pass through the tubular guide portion of the link member, then the wire is readily movable relative to the link member and guide member, but the wire is damaged due to friction between the wire and the link member and guide member during bending/stretching motion
Solution Approach 1:
A U-shaped guide member is introduced as an intermediary component between the wire and the link mechanism. The guide member has a curved surface that guides the wire along a predetermined path, preventing direct contact between the wire and the link member's tubular guide portion. This mediator reduces friction and wear on the wire while maintaining its movability during bending and stretching motions of the link mechanism.
2Stability of the object's composition
If the wire is fixed in position to the link member, then the wire follows the shape of the link mechanism during bending/stretching motion, but the positional relationship between the wire and link member changes, causing rubbing and damage
Solution Approach 1:
The guide member is designed with a curved surface that dynamically adapts to the bending and stretching motions of the link mechanism. The curve radius and shape are optimized to match the expected motion path, allowing the wire to follow the link mechanism's shape changes while maintaining a stable positional relationship. This dynamic design prevents rubbing by ensuring the wire moves smoothly along the predetermined curved path without lateral displacement.
3Adaptability or versatility
If the link mechanism undergoes bending/stretching motion, then the first and second members can telescope/expand and contract, but foreign objects may be trapped between the link members causing damage
Solution Approach 1:
The curved surface of the guide member serves a dual function: it guides the wire along the predetermined path while simultaneously acting as a barrier that prevents foreign objects from being trapped between the link members during bending and stretching motions. The curved geometry directs foreign objects away from the linkage joints, converting the potential harm of foreign object entrapment into a beneficial protective function.
Data Source
AI summary
A link mechanism is provided between a first member and a second member to effect a bending/stretching motion in operative association with a telescopic expanding/contracting motion of the first member and the second member. A supporting mechanism is provided to support, to the link mechanism, a wire having flexibility and connected between a first device on the side of the first member and a second device on the side of the second member. The supporting mechanism fixes the wire to each link member of the link mechanism in position so that the wire is deformed while maintaining its state following a shape of the link mechanism in operative association with the bending/stretching motion of the link mechanism.