Telescoping Robot Arm Gantry for Trailer Loading
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Solution Overview
Problem
Current loading and unloading processes for cargo in trucks and trailers are labor-intensive, costly, and pose safety risks due to trailer creep and inefficiencies in space utilization, while robotic systems face challenges with weight distribution, stability, and the need for human assistance.
Innovation Solution
A cargo handling system featuring a robot arm on an extendable gantry that stabilizes with vacuum cups and idler casters, allowing the robot arm to move within the cargo space without floor support, enabling efficient loading and unloading while allowing human operators to assist safely.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If heavy robotic equipment is placed on the floor of the semi-trailer, then automated loading and unloading can be achieved, but the semi-trailer may become unstable and experience trailer creep
Solution Approach 1:
The robot is suspended from the ceiling of the semi-trailer rather than placed on the floor, changing the spatial dimension of robot support. This eliminates the robot's weight from the floor load and prevents trailer creep while maintaining automated cargo handling capabilities
Solution Approach 2:
The ceiling suspension system counteracts the robot's weight by anchoring it to the overhead structure, effectively balancing the forces that would otherwise cause trailer movement and instability
2Ease of operation
If the robot is supported by the semi-trailer floor, then the robot can operate within the cargo space, but the robot's movement causes trailer creep and shaking
Solution Approach 1:
The robot is suspended from the ceiling rather than supported by the floor, changing the support dimension. This allows the robot to move freely within the cargo space while the ceiling structure absorbs the forces that would otherwise cause trailer creep and shaking
3Extent of automation
If automated robotic systems occupy significant floor space, then automated cargo handling is achieved, but human operators cannot access the cargo space to assist with shifted items
Solution Approach 1:
The robot is positioned in the vertical space under the ceiling rather than occupying floor space, freeing up the entire cargo floor area for human operators to access and assist with shifted or improperly positioned cargo items
4Device complexity
If the robot is mounted on the semi-trailer, then integrated cargo handling is achieved, but the robot's weight limits the types of trailers that can be used
Solution Approach 1:
The robot is suspended from the ceiling structure rather than mounted on the trailer floor or frame, changing the mounting dimension. This distributes the robot's weight to the ceiling anchors rather than concentrating it on the trailer structure, enabling use with lighter and more diverse trailer types
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 reduces the risk of trailer creep, optimizes space usage, and enhances safety by allowing human operators to work alongside the robot, improving the efficiency and safety of cargo handling processes.
Implementation Method 1
the gantry can include vacuum cups that adhere to the ceiling and/or the sidewalls of the cargo space
Data Source
AI summary
A cargo handling system includes a gantry and a robot arm. The gantry is configured to move from a retracted position to an extended position. The robot arm hangs from the gantry. The robot arm is configured to move along the gantry at least when the gantry is in the extended position. The robot arm is configured to handle one or more cargo items. A conveyor is configured to move from a retracted position to an extended position. The conveyor is configured to transport the cargo items to and/or from the robot arm.