Retractable Current Collector for Rail-Climbing 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, particularly when the vehicle needs to leave the original motion plane or switch rail assemblies, leading to potential collisions and safety hazards.
Innovation Solution
A logistics vehicle equipped with a climbing assembly and power take-up assembly that allows the logistics vehicle to extend and retract components to engage and disengage with vertical and horizontal rail assemblies, ensuring continuous power supply while avoiding collisions with foreign objects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the current collector and slide wire are in contact all the time to ensure continuous power supply, then power supply reliability is improved, but the risk of collision with foreign objects increases when the vehicle leaves the original motion plane
Solution Approach 1:
The current collector is made dynamically extendable and retractable relative to the vehicle body through a driving mechanism. When the vehicle needs to change motion planes or switch rail assemblies, the current collector retracts to avoid collisions; when on the original motion plane, it extends to ensure continuous power supply contact with the slide wire.
Solution Approach 2:
The power supply system is segmented into extendable and retractable portions. The current collector is divided into a fixed part on the vehicle body and a movable part that can be extended or retracted independently, allowing selective engagement with the slide wire based on operational needs.
2Adaptability or versatility
If the climbing wheel extends to cooperate with the vertical rail assembly for climbing motion, then vertical movement capability is improved, but the device complexity increases
Solution Approach 1:
The climbing assembly integrates multiple functions into a unified structure: the climbing wheel is mounted on a movable axle that can extend and retract, combining the climbing function with the extension mechanism. The support wheel and guide wheel are integrated on the same axle system, reducing the number of independent components and simplifying the overall structure.
Solution Approach 2:
The climbing wheel serves multiple functions: it engages with the rack on the vertical rail assembly for climbing motion, provides structural support through the axle system, and can be retracted when not in use. The same axle structure supports both the climbing wheel and guide wheel, making the system multi-functional and reducing complexity.
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 solution enables safe and efficient movement along both vertical and horizontal paths without collisions, optimizing energy consumption and ensuring reliable power supply through controlled engagement and disengagement of the current collector with the slide wire.
Implementation Method 1
a first rod and a second rod, the rotational power source being provided on the guide rail, a first end of the first rod being connected to an output shaft of the rotational power source, a second end of the first rod being connected to a first end of the second rod, and a second end of the second rod being connected to the slider
Implementation Method 2
a current collector is installed on a vehicle body or a moving component. A movement trajectory of the vehicle body or the moving component is consistent with the arrangement shape of the slide wire, and a brush of the current collector is in contact with a conductor of the slide wire all the time to ensure continuous power supply
Data Source
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AI summary
The present disclosure relates to 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, the power take-up assembly being 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 provided in the present disclosure draws power during climbing, which is conducive to achieving climbing operation, and the logistics vehicle may not collide with a goods shelf, a machine body, a rail assembly or other foreign objects after climbing is finished, which reduces the safety risk.