Offset Battery Housing Layout for Work Vehicle Wheel Clearance
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Solution Overview
Problem
Existing electric work vehicles or tractors face limitations in battery storage capacity due to limited space and lack of separate battery housings, which restricts the efficiency of battery usage and affects wheel turning capabilities.
Innovation Solution
The vehicle design incorporates a first and second battery housing, with the first housing overlapping the second, allowing for increased storage capacity and efficient use of space without impacting wheel turning, featuring vertically aligned battery modules and a power distribution unit located in the offset space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a single housing is used to store batteries, then the structure is simple, but the battery storage capacity is limited and space utilization is reduced
Solution Approach 1:
The battery storage system is divided into multiple separate battery housings (first battery housing and second battery housing) instead of using a single housing. Each housing can store battery modules independently, and they are positioned at different locations (front and rear) of the vehicle body. This segmentation increases the total battery storage capacity while maintaining manageable structural complexity through modular design.
2Quantity of substance
If battery storage space is located between front wheels, then space utilization is improved, but wheel turning capability is restricted
Solution Approach 1:
Instead of placing battery housings only between the front wheels (horizontal dimension), the solution extends battery storage to multiple spatial dimensions by positioning the first battery housing at the front of the vehicle and the second battery housing at the rear. This three-dimensional distribution of battery storage space allows the front wheels to turn freely without obstruction, maintaining wheel turning capability while maximizing overall battery storage capacity.
3Area of stationary object
If vertically offset battery rows are used, then space gaps are created, but manufacturing simplicity is maintained
Solution Approach 1:
The battery modules within each housing are arranged in vertically aligned rows rather than offset rows. This segmentation approach places battery modules in orderly, aligned positions that maximize space utilization within each housing while creating uniform structures that are easier to manufacture and assemble compared to offset arrangements.
Data Source
AI summary
According to a preferred embodiment of the present invention, a work vehicle includes a main body, at least one front wheel supported by the main body, at least one rear wheel supported by the main body, a first housing to house one or more first battery modules, and a second housing to house one or more second battery modules. The first housing at least partially overlaps the second housing, and the first housing is offset from the second housing in a front-rear direction of the work vehicle.