Foldable Transfer Cart for EV Battery Load Transfer
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Solution Overview
Problem
The removal of large and heavy batteries from electric vehicle chassis is difficult, time-consuming, and requires expensive, cumbersome tools, which are hard to store and operate in specialized environments.
Innovation Solution
A transfer cart with a frame and wheels, comprising lower, upper, and brace members, and cross members, designed to receive and support loads, and a load transfer apparatus with a primary cart and a height-adjustable load receiver, allowing for efficient transfer of heavy loads between carts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specialized tools and equipment are used to remove heavy batteries from vehicle chassis, then the battery removal operation becomes feasible and safe, but the cost increases and the tools become cumbersome and difficult to store
Solution Approach 1:
The system is divided into two separate carts: a primary cart for vehicle support and a transfer cart for battery transport. This segmentation allows each cart to be optimized for its specific function, reducing the complexity of individual components while maintaining overall system effectiveness for safe battery removal.
Solution Approach 2:
The transfer cart acts as an intermediary device between the vehicle chassis and storage location. It receives the battery from the primary cart and transports it separately, eliminating the need for complex integrated removal tools and simplifying the overall system while maintaining safety.
2Adaptability or versatility
If expensive specialized equipment is deployed for battery removal, then operational capability is ensured, but storage and operational efficiency decrease due to cumbersome nature
Solution Approach 1:
The transfer cart is designed with universal features including adjustable support members and multiple wheel configurations that can accommodate different battery sizes and vehicle types. This multi-functionality ensures broad adaptability for battery servicing while maintaining a simple, easy-to-operate design that is straightforward to store and deploy.
3Adaptability or versatility
If multiple expensive primary carts are purchased to handle different load scenarios, then all load transfer needs are covered, but storage space and operational efficiency are reduced
Solution Approach 1:
The transfer cart incorporates dynamic, adjustable features including height-adjustable support members and configurable wheel arrangements that can adapt to various load sizes and types. This adjustability provides the versatility of multiple specialized carts while requiring storage space for only a single transfer cart unit.
Data Source
AI summary
A transfer apparatus comprised of a transfer cart and a primary cart, wherein the transfer cart and primary cart is configured to receive a load from the primary cart and vice-versa. The transfer cart comprises a frame and a plurality of members providing support, including cross members that can be decoupled to fold the frame into a more compact arrangement. The apparatus may additionally comprise one or more load adapters to optimize the transfer cart for use with loads of different dimensions.