Powered Material Transport Cart for Lifting and Uneven Terrain
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Solution Overview
Problem
Existing material transport carts lack versatility and efficiency in handling various terrains, payloads, and lifting capabilities, limiting their adaptability and functionality in diverse work environments.
Innovation Solution
The material transport cart incorporates a powered lift assembly, adjustable bed assembly, and multiple wheel configurations, along with a motor-driven wheel system and removable battery, enabling enhanced mobility, payload handling, and lifting capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a material transport cart is designed with basic manual operation, then it is simple in structure and easy to manufacture, but it lacks lifting capability and versatility in handling various payloads
Solution Approach 1:
The patent replaces manual mechanical operation with an electric motor-driven system. The motor is coupled to the wheel through a drive mechanism, eliminating the need for manual pushing or pulling. This substitution provides lifting capability through the powered drive system while maintaining relatively simple structural implementation.
Solution Approach 2:
The cart is designed with a material support body that can handle various types of materials and payloads. The powered lift assembly and adjustable bed configuration enable the cart to perform multiple functions including transporting, lifting, and positioning different materials, thereby achieving versatility without proportionally increasing complexity.
2Productivity
If the cart is equipped with powered lift assembly and motor-driven wheels, then mobility and payload handling capability are improved, but energy consumption increases
Solution Approach 1:
The powered lift assembly operates periodically rather than continuously, activating only when lifting or positioning operations are required. The motor-driven wheels provide power during movement phases and can coast or be manually assisted during transition phases, reducing overall energy consumption while maintaining high mobility when needed.
3Adaptability or versatility
If the cart incorporates adjustable bed assembly and multiple wheel configurations, then adaptability to different terrains and payloads is improved, but device complexity increases
Solution Approach 1:
The cart features an adjustable bed assembly that can change its configuration dynamically to suit different payload types and terrain conditions. The wheel system allows for different configurations (e.g., single wheel, dual wheels) that can be selected based on the operational requirements. These dynamic adjustments provide adaptability through relatively simple mechanical reconfiguration rather than complex fixed systems.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The cart provides improved maneuverability, tighter turning radius, and versatile payload handling, allowing it to navigate uneven terrain and perform tasks such as pallet loading/unloading with ease.
Implementation Method 1
A removable battery is electrically coupled to and operable to supply power to both the motor and the powered lift assembly
Implementation Method 2
a motor operable to drive the wheel
Implementation Method 3
The powered lift assembly is operable to lift the cart body relative to the base member
Data Source
Figure 1~2
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Figure 5~6
AI summary
A material transport cart includes a cart body, a material support body coupled to the cart body, a wheel coupled to the cart body, a motor operable to drive the wheel, and a powered lift assembly. The powered lift assembly is coupled to the cart body and to the material support body. The powered lift assembly is operable to lift the material support body relative to the cart body. A removable battery is electrically coupled to and operable to supply power to both the motor and the powered lift assembly