Battery Module Lifting Hooks for Multi-Point EV Handling
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Solution Overview
Problem
Current lifting tools are not adapted to efficiently lift battery modules with unique lifting tools, requiring different lifting tools for various battery modules, and thus, there is a need for a new and improved battery module lifting tool that is adapted for use with multiple variations of battery modules having unique lifting points.
Innovation Solution
A lifting tool with a support arm and a chassis equipped with pivotally supported lifting hooks that can engage different engagement features, and an orientation of a battery module, including a lever mechanism for selective movement of hooks, and isolating elements made from non-conductive material to securely lock the battery module in place.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different lifting tools are used for various battery modules with unique lifting points, then each battery module can be securely lifted, but the device complexity and time required for tool swapping increase
Solution Approach 1:
The lifting tool incorporates multiple lifting hooks with different geometries (e.g., hook-shaped, J-shaped, L-shaped) on a single device, allowing it to engage with various lifting points across different battery module designs. This universal design eliminates the need for multiple specialized tools while maintaining secure lifting capability for each module type.
Solution Approach 2:
The lifting hooks are designed to be movable or adjustable relative to each other, allowing the operator to reposition and reconfigure the hooks to match different lifting point arrangements on various battery modules. This dynamic adjustment capability enables a single tool to adapt to multiple configurations.
2Adaptability or versatility
If multiple lifting hooks are provided on a single tool, then adaptability to different battery modules is improved, but the device complexity increases
Solution Approach 1:
The lifting tool is divided into modular components, with each lifting hook being a separate, interchangeable element. This segmentation allows the hooks to be independently adjusted, repositioned, or replaced based on the specific battery module being handled, reducing the complexity of managing multiple complete tools.
Solution Approach 2:
Multiple lifting hooks are arranged in a compact, nested configuration on the tool body, with hooks that can be stored or retracted when not in use. This nesting approach minimizes the overall tool size and complexity while maintaining the capability to engage multiple lifting points simultaneously.
3Reliability
If lifting hooks are made secure to prevent dislodgment, then reliability is improved, but the ease of operation for positioning the tool decreases
Solution Approach 1:
The lifting hooks are designed with preliminary positioning features such as guide edges, alignment marks, or tapered leading surfaces that automatically guide the hooks into proper engagement with the lifting points. This preliminary action ensures correct positioning before the secure locking engagement occurs, maintaining ease of operation while ensuring reliability.
Solution Approach 2:
The lifting hooks incorporate a two-stage engagement mechanism: an initial loose engagement phase that allows easy positioning and alignment, followed by a secondary secure locking phase that prevents dislodgment during lifting. This dynamic engagement process maintains operational ease while ensuring secure attachment.
Data Source
AI summary
A lifting tool for battery modules for electric vehicles includes a support arm having a first distal end and a second distal end, the first distal end including features adapted for attachment to a lifting mechanism, and a chassis supported on the second distal end of the support arm and including a plurality of lifting hooks adapted to engage engagement features of battery modules for electric vehicles, wherein, each of the plurality of lifting hooks is adapted to engage battery modules having first engagement features, and adapted to engage battery modules having second engagement features.