Industrial Truck Battery Storage Under Platform
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Solution Overview
Problem
The integration of lithium-ion batteries into industrial trucks with an integrated driver's platform poses challenges for maintenance and inspection, as the large and bulky battery can hinder access to other components and complicate handling.
Innovation Solution
A battery storage area is designed under a stand platform in the frame of the drive part, allowing the battery to be moved from its stand position into this area, enabling easy removal and placement outside the stand, with a cross plate stabilizing the frame and providing a level surface for the battery storage, and wheel carriers serving both as wheel supports and boundary surfaces for the battery location.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If the battery is deeply integrated into the vehicle as a large and bulky component, then the battery can be permanently installed without separate charging, but maintenance and inspection work on the vehicle becomes difficult
Solution Approach 1:
The battery installation space is segmented into two distinct areas: a battery stand position for normal operation and a battery storage area for maintenance. This segmentation allows the battery to be permanently installed during operation but easily removed and relocated to the storage area during maintenance, resolving the contradiction between permanent integration and maintenance accessibility.
Solution Approach 2:
The battery installation system is designed to be dynamic rather than static. The battery can be moved between the battery stand position and the battery storage area, allowing the system to adapt between two states: operational state (battery on stand) and maintenance state (battery in storage area). This dynamic capability resolves the contradiction between permanent installation and maintenance ease.
2Volume of moving object
If the battery is integrated into the drive part, then the vehicle structure is compacted, but the length of the vehicle becomes too large for good handling
Solution Approach 1:
The battery storage area is positioned under the stand platform, utilizing the vertical space dimension rather than extending the vehicle length horizontally. By placing the battery in the storage area during maintenance, the battery is located in a different spatial dimension (underneath rather than at the rear), maintaining compact vehicle length while providing adequate battery space.
3Ease of operation
If the battery stand and battery storage area are on the same level, then the battery can be moved without lifting, but the frame structure becomes more complex
Solution Approach 1:
The cross plate is designed with multi-functionality: it serves as both a structural reinforcement element for the frame and as a floor for the battery storage area. This universal design allows the cross plate to perform multiple functions simultaneously, reducing the need for additional structural components while maintaining the same-level battery movement capability.
Data Source
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Figure 3a
Figure 4a~4d
AI summary
Industrial truck with a load part and a battery-powered drive part, comprising a driver's platform and a frame equipped with a cross plate, a rear wall facing the load part and two wheel carriers, wherein a battery platform is provided between the wheel carriers, and wherein a battery storage area is formed under a platform mounted on the frame in such a way that the battery can be moved from its battery platform into the battery storage area.