Reversible Work Vehicle Fender for Maintenance Access
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Solution Overview
Problem
The existing fender designs on work vehicles, while serving as dustproof covers, pose obstacles during maintenance operations, requiring troublesome removal and reattachment, and do not facilitate easy access to internal components for cleaning and tool storage.
Innovation Solution
A reversible fender mechanism with a pivotal shaft extending in the vehicle body's front/rear direction allows the fender to pivot between normal and reversed postures, exposing the inner area for maintenance and providing additional storage when reversed, with specific accommodating profiles on the fender surface for tool storage in both postures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the fender is fixed in normal posture to serve as dustproof cover, then protection of power source is improved, but maintenance accessibility deteriorates
Solution Approach 1:
The fender is designed to be dynamically reconfigurable between fixed normal posture (for dustproof protection) and reversed posture (for maintenance access). The reversal mechanism allows the fender to transition from a static protective barrier to an accessible configuration, resolving the contradiction between protection and maintenance accessibility.
2Ease of operation
If the fender is removed for maintenance, then maintenance accessibility is improved, but device complexity increases
Solution Approach 1:
The fender system is segmented into the fender body and the reversal mechanism, allowing independent functionality. The reversal mechanism is a separate component that enables posture change without requiring complete disassembly, thus improving maintenance accessibility while minimizing the increase in device complexity.
3Ease of operation
If the fender is made reversible, then maintenance accessibility is improved, but working space is reduced
Solution Approach 1:
The fender utilizes the vertical dimension by reversing posture upward, rather than occupying horizontal working space. This dimensional transition allows the fender to provide maintenance accessibility without significantly reducing the horizontal working space available for maintenance operations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Facilitates easy maintenance by exposing internal components for cleaning and enlarging the working space, while allowing for convenient storage of tools during maintenance operations, improving accessibility and reducing the radius of the pivoting path for smoother movement.
Implementation Method 1
The reversal mechanism can be constituted of a pivotal shaft extending in a vehicle body front/rear direction. With this arrangement, posture reversal of the fender from the normal posture to the reversed posture is possible by its pivotal movement about the pivot shaft.
Data Source
AI summary
A work vehicle includes a vehicle body frame supported on a ground surface via a wheel unit and a pair of left and right fenders that can be reversed from a normal posture to a reversed posture via a reversal mechanism, an inside area covered by the fender under its normal posture becoming exposed in the reversed posture of the fender. The fender is maintained under the normal posture and the reversed posture. A first accommodating profile is formed in the surface of the fender, the first accommodating profile being capable of accommodating an article when the fender assumes the normal posture.