Retractable Climbing Wheel Power Pickup for Rail-Switching Logistics Vehicles
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Solution Overview
Problem
Existing logistics vehicles with slide wire power supply systems are limited in their ability to adapt to complex movement routes that involve leaving the original motion plane or switching rail assemblies, leading to potential collisions and safety hazards.
Innovation Solution
A logistics vehicle equipped with a climbing assembly and a power take-up assembly that allows the climbing wheel to extend and retract, and the power take-up assembly to engage and disengage with rail assemblies, ensuring safe and continuous power supply during vertical and horizontal movements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the climbing wheel and power take-up assembly are fixedly installed on the frame, then the structure is simple and stable, but the vehicle cannot adapt to complex movement routes involving vertical rail switching or leaving the original motion plane
Solution Approach 1:
The climbing wheel and power take-up assembly are designed as movable components that can extend and retract relative to the frame along the second rail assembly. This dynamic configuration allows the vehicle to adapt to complex movement routes including vertical rail switching, while the mechanical extension/retraction mechanism maintains structural simplicity without requiring complex control systems
Solution Approach 2:
The power supply system is segmented into a fixed portion on the frame and a movable portion (power take-up assembly) that can independently extend and retract. This segmentation allows the vehicle body to remain stable during horizontal movement while the climbing assembly dynamically engages with vertical rails, resolving the contradiction between adaptability and structural stability
2Reliability
If the slide wire is continuously installed along the entire movement trajectory, then power supply continuity is ensured, but the system cannot accommodate routes where power supply is not needed in certain sections
Solution Approach 1:
The power take-up assembly with extendable/retractable power supply components enables dynamic engagement and disengagement from the slide wire. The vehicle can maintain continuous power supply when needed by extending the assembly to contact the slide wire, and can disconnect power supply in sections where it is not required by retracting the assembly, thus achieving both reliability and adaptability
Solution Approach 2:
The power take-up assembly acts as an intermediary between the vehicle body and the slide wire power supply system. It mediates the connection by extending to establish electrical contact when power is needed and retracting to disconnect when power is not required, allowing flexible adaptation to different route power supply requirements while ensuring continuity when needed
3Adaptability or versatility
If the climbing wheel extends to cooperate with the vertical rail assembly, then vertical movement capability is achieved, but the power take-up assembly must also extend which increases the risk of collision with foreign objects
Solution Approach 1:
The climbing wheel assembly and power take-up assembly are merged into a single integrated movable structure that extends and retracts together. This combined design ensures that when the climbing wheel engages with the vertical rail for upward movement, the power take-up assembly simultaneously extends to maintain electrical contact, coordinating both functions to reduce collision risk compared to separate assemblies
Solution Approach 2:
The power take-up assembly extends in coordination with the climbing wheel before the vehicle begins vertical movement. This preliminary action ensures that electrical contact is established in advance, and the synchronized extension reduces the likelihood of collision with foreign objects by preparing the system in advance for the vertical movement sequence
Data Source
AI summary
A logistics vehicle and a logistics system. The logistics vehicle includes: a frame; a climbing assembly including a climbing wheel movably provided on the frame, the climbing wheel being configured to be extendable with respect to the frame, to cooperate with a first rail assembly arranged vertically, so that the logistics vehicle moves along the first rail assembly, and the climbing wheel being configured to be retractable with respect to the frame; and a power take-up assembly movably provided on the frame and configured to be extendable with respect to the frame to take up power when the climbing wheel extends with respect to the frame and cooperates with the first rail assembly; and the power take-up assembly being further configured to retract when the climbing wheel retracts with respect to the frame. The logistics vehicle draws power during climbing, which is conducive to achieving climbing operation.