Handrail-Mounted Exterior Cover Fixing for Stable Working Machines
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Solution Overview
Problem
The existing working machines face challenges in securely fixing the exterior cover in place due to limited positioning options on the machine body, leading to potential instability and difficulty in balancing larger covers.
Innovation Solution
The exterior cover is fixed to a handrail attached to the machine body, utilizing a fixing unit with multiple fixing portions to support the cover, ensuring secure attachment and stability even for larger designs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the exterior cover is assembled to the machine body, then the position at which the exterior cover can be fixed in place is limited by the machine body, but it may sometimes be difficult to securely fix the exterior cover in place
Solution Approach 1:
The patent introduces a handrail as an intermediary component between the machine body and the exterior cover. The handrail is first attached to the machine body, and then the exterior cover is fixed to the handrail. This intermediary structure expands the available fixing positions beyond what the machine body alone could provide, enabling secure fixation of the exterior cover while maintaining structural integrity.
2Area of stationary object
If the exterior cover is made larger to provide better coverage, then the coverage area is improved, but it becomes more difficult to balance and fix securely
Solution Approach 1:
The patent divides the exterior cover into multiple separate covers (front exterior cover, rear exterior cover, side exterior covers) that can be independently fixed to the handrail. This segmentation allows each cover to be optimally sized and positioned for its specific location, improving overall coverage area while maintaining balance and fixation stability through distributed attachment points.
3Adaptability or versatility
If the exterior cover is fixed directly to the machine body, then the fixing position is limited, but the structure is simpler
Solution Approach 1:
The handrail serves multiple functions: it provides structural support, acts as a fixing platform for the exterior cover, and offers positioning flexibility. By making the handrail multi-functional, the patent achieves adaptable fixing positions without proportionally increasing overall structural complexity, as the same component performs multiple roles.
Data Source
AI summary
A working machine includes a machine body, an operator's seat mounted on the machine body, an exterior cover positioned on a side of the operator's seat, and a handrail positioned with the exterior cover on the same side of the operator's seat and attached to the machine body. The exterior cover is fixed to a fixing unit included in the handrail.