Self-Propelled Guide Unit Coupling for Stable Load Transport
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Solution Overview
Problem
Forklifts are limited by maximum load capacity and require labor-intensive logistics, while manual carts are incompatible with pallet-based systems and less safe.
Innovation Solution
A self-propelled guide unit connects to and controls a load-bearing unit, using engaging elements and an actuator to lift itself, allowing stable connection and power transfer, enabling autonomous operation and efficient load handling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If forklifts are used for transporting loads, then load capacity is sufficient, but the system becomes labor-intensive and less adaptable
Solution Approach 1:
The system is divided into two independent units: a guide unit that provides control and navigation, and a load-bearing unit that carries the cargo. This segmentation allows each unit to be optimized for its specific function, with the guide unit being small and agile for adaptability, and the load-bearing unit being capable of handling various load sizes and weights.
Solution Approach 2:
The load-bearing unit is equipped with its own propulsion system, allowing it to move independently under its own power. The guide unit controls the propulsion system through wireless communication, enabling automated operation without requiring manual pushing or pulling, thus reducing labor intensity while maintaining high adaptability.
2Adaptability or versatility
If manual carts are used for transporting items, then adaptability to specific uses is improved, but maximum load capacity is limited by human strength
Solution Approach 1:
The load-bearing unit incorporates an electric motor and propulsion system that enables it to carry heavy loads without human physical effort. The motor provides the necessary force to move the unit and its cargo, dramatically increasing the maximum load capacity beyond what a human operator could achieve manually, while the unit remains adaptable to different cargo types and configurations.
Solution Approach 2:
The load-bearing unit is designed with a universal platform that can accommodate various types of cargo through different attachment mechanisms and configurations. The propulsion system and control interface are designed to handle diverse load requirements, making the unit versatile for different applications while maintaining high load capacity through its motorized drive.
3Force
If forklifts are used for pallet-based logistics, then load capacity is sufficient, but compatibility with existing pallet systems is limited
Solution Approach 1:
The load-bearing unit features a universal platform design with standardized attachment points and interfaces that are compatible with various pallet types and configurations. The platform can accommodate different pallet sizes, shapes, and loading patterns, enabling seamless integration with existing pallet-based logistics systems while maintaining high load capacity through its motorized propulsion system.
4Ease of operation
If the guide unit remains on the floor surface, then ease of operation is maintained, but connection stability to the load-bearing unit is insufficient
Solution Approach 1:
The guide unit is equipped with a height-adjustable mechanism that allows it to dynamically change its vertical position. During connection operations, the guide unit elevates itself to align with the load-bearing unit's connection interface, ensuring stable and secure coupling. During operation, it can lower itself to maintain ease of access and operational simplicity, thus adapting its position based on the operational phase.
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 system provides a safe, efficient, and adaptable logistics solution with reduced human risk, enabling fast and stable transport of loads in confined spaces.
Implementation Method 1
By having the actuator moving the at least one engaging element in a direction towards the floor surface the engaging elements of the self-propelled guide unit can vertically engage the engaging elements of the self-propelled load bearing unit such that gravity can assist in aligning and stabilizing the self-propelled guide unit during connection.
Data Source
Figure 1A~1B
Figure 2
Figure 3
AI summary
A self-propelled guide unit (100) configured to connect to and guide a self-propelled load bearing unit (200), such that the self-propelled load bearing unit can travel on a floor surface when the self-propelled guide unit and the self-propelled load bearing unit are connected. The self-propelled guide unit being configured to receive at least one parameter from the self-propelled load bearing unit, use the at least one parameter in the generation of a control signal, and transmit the generated control signal to the self-propelled load bearing unit for controlling the propulsion of the self-propelled load bearing unit. The self-propelled guide unit comprises at least one engaging element (171, 172, 173, 174) configured to engage at least one corresponding engaging element (271, 272, 273, 274) on the self-propelled load bearing unit, and an actuator (141) configured to lift the self-propelled guide unit from the floor surface by actuating the at least one engaging element , wherein the actuator is configured to move the at least one engaging element in a direction towards the floor surface, such that the at least one engaging element engages the at least one engaging element on the self-propelled load bearing unit, and the at least one engaging element carries a major portion of the weight of the self-propelled guide unit, when the self-propelled guide unit is lifted from the floor surface.