Electric Utility Wagon with Interchangeable Wheels and Motor
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Solution Overview
Problem
Conventional wagons are not customizable for various utilitarian tasks or designs and are not drivable by occupants, posing difficulties in traversing rough terrain or long distances.
Innovation Solution
An electric motor-assisted wagon with a customizable chassis, propulsion mechanism, steering system, and interchangeable wheel sets, allowing for both pulling and driving modes, and adjustable shock absorbers for enhanced terrain handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a conventional wagon design is used, then the structure is simple and easy to manufacture, but it is not customizable for different utilitarian tasks or designs
Solution Approach 1:
The wagon is designed with a universal chassis platform that can accommodate multiple wheel types (standard wheels, snow wheels, sand wheels, rock wheels) and various utility attachments (seats, cargo beds, animal harnesses). This multi-functionality allows a single base design to serve diverse purposes including transportation of people, animals, and cargo across different terrains, resolving the contradiction between adaptability and structural simplicity.
2Reliability
If a conventional wagon is pulled over rough terrain, then the structure remains simple, but it experiences difficulty traversing long distances or rough terrain such as rocks or sand
Solution Approach 1:
The wagon incorporates an electric motor that can be engaged to assist or replace manual pulling, allowing the vehicle to propel itself when needed. The motor is controlled by a key switch and can operate independently or assist the puller, enabling the wagon to overcome difficult terrain conditions without requiring increased structural complexity in the propulsion system.
Solution Approach 2:
The steering mechanism is designed to be dynamically adjustable, allowing the handlebar to pivot and the steering angle to be modified based on terrain conditions. The front wheels are connected through a steering linkage that can adapt to different ground conditions, improving traversing capability without requiring a completely complex steering system.
3Adaptability or versatility
If standard wheels are used on the wagon, then the design is simple, but it cannot optimize performance for different terrains such as snow, sand, or rocks
Solution Approach 1:
The wheel system is segmented into interchangeable wheel assemblies that can be independently attached and removed from the axle. Each wheel type (standard, snow, sand, rock) is designed as a separate component with specific tread patterns and configurations optimized for its intended terrain. This segmentation allows easy interchangeability without complicating the overall manufacturing process, as each wheel type can be produced independently and attached using standardized mounting mechanisms.
Data Source
AI summary
A wagon having both a utility mode and a driving mode is disclosed. The wagon includes a chassis and a bucket for conveying at least one object. The object can be an inanimate object, wherein the wagon can be configured in utility mode to be pulled by an operator. Or, the object can be a living being, wherein the wagon can be configured either for the utility mode or a driving mode to be driven and controlled by an occupant of the bucket. Various features enable the wagon to be reconfigurable for a desired design.