Rotatable Ladder Battery Box Layout for Wheel Loaders
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Solution Overview
Problem
Conventional wheel loaders lack improvements in space utilization and functionality of ladders for driver access, leading to inefficiencies and potential electrical losses due to lengthy wire harnesses, especially in cold environments.
Innovation Solution
An integrated battery unit with a rotatable ladder and minimized wire harnesses, featuring a case with a front door and tool storage, and a hinge mechanism for the ladder, which allows convenient access and maintenance, while optimizing battery placement for reduced electrical loss.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the ladder is installed separately from the battery box, then the driver can access the driver's seat, but the space utilization is poor and the structure is complex
Solution Approach 1:
The patent combines the ladder unit with the battery box into an integrated assembly. The ladder unit is coupled to the front surface of the battery box, merging two separate functional components (ladder for driver access and battery box for power storage) into a single unified structure. This eliminates the need for separate mounting brackets and fasteners, thereby improving space utilization and reducing structural complexity.
2Reliability
If the wire harnesses are made long to reach battery components, then all electrical components can be connected, but electrical losses increase especially in cold environments
Solution Approach 1:
The battery box is positioned in advance at an optimal location near the driver's seat, allowing wire harnesses to be routed along the shortest possible path. The integrated design enables preliminary planning of electrical connections during the design phase, minimizing wire length and reducing electrical resistance before the vehicle is assembled and deployed.
3Area of stationary object
If the battery box is placed far from the driver's seat, then there is enough space for other components, but wire harness length increases causing electrical losses
Solution Approach 1:
The battery box is positioned in the vertical dimension below the driver's seat rather than being placed horizontally at a distance. This vertical placement strategy allows wire harnesses to connect through the Z-axis (vertical direction) rather than requiring long horizontal runs, thereby minimizing wire length and electrical losses while maintaining adequate space for other components in the horizontal plane.
Data Source
AI summary
An industrial vehicle is disclosed. In one embodiment of the present disclosure, a ladder unit is installed at a location adjacent to a battery unit, thereby improving convenience and workability.