Mobile Pallet Stacking Device with Rotating Support Elements
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Solution Overview
Problem
Existing pallet management systems are inflexible, complex, and require skilled operators, leading to inefficient operations, increased path lengths, and the need for expert handling.
Innovation Solution
A mobile device with wheels, lifting arms, and support elements that allows for the collection, stacking, and transportation of pallets, enabling flexible and optimized pallet management without the need for high-height lifting or expert operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If fixed devices are used to stack and deposit pallets, then pallet management can be performed, but flexibility and operational simplicity deteriorate
Solution Approach 1:
The patent employs a mobile device that can dynamically move between different locations rather than being fixed in one position. The device includes movable components such as a mobile platform with wheels and adjustable lifting mechanisms, allowing it to adapt to various pallet storage configurations and locations within the warehouse, thereby improving flexibility while maintaining operational simplicity
Solution Approach 2:
The device is designed to perform multiple functions including picking up pallets, stacking them to various heights, transporting them to different locations, and depositing them. This multi-functional capability eliminates the need for multiple specialized devices, reducing organizational complexity while enhancing versatility
2Productivity
If pallets are deposited into different locations using known devices, then the operation can be completed, but path length increases due to returning to the device
Solution Approach 1:
The mobile device can dynamically reposition itself to follow the optimal path between pallet locations and deposition points. Instead of operators returning to a fixed device, the device moves with the operator or autonomously navigates to the next required location, significantly reducing unnecessary travel distance and improving operational efficiency
Solution Approach 2:
The device acts as a mobile intermediary between the operator and the pallets, carrying the lifting mechanism and support elements to wherever they are needed. This eliminates the need for operators to repeatedly return to a fixed base, as the functional capabilities are brought directly to the work location
3Ease of operation
If high-height lifting is used to manage pallet stacks, then pallet stacking capability is achieved, but safety and ease of operation deteriorate
Solution Approach 1:
The device performs the hazardous high-height lifting operation automatically through its own lifting mechanism, eliminating the need for operators to manually handle pallets at elevated positions. The lifting arms and support elements are mechanically driven to raise and lower pallets, allowing operators to work from the ground level where it is safer and more comfortable
Solution Approach 2:
The patent replaces manual mechanical lifting by operators with an automated mechanical lifting system integrated into the mobile device. The lifting mechanism uses mechanical advantage through levers, pulleys, or hydraulic systems to perform the lifting task, substituting the operator's direct mechanical action with a controlled mechanical system that reduces safety risks
4Ease of operation
If expert operators are used to operate pallet management devices, then proper handling is ensured, but operational complexity increases
Solution Approach 1:
The device is designed to be self-explanatory and self-regulating, with intuitive controls and automatic safety features that guide the operator through proper operation without requiring extensive training. The system includes features such as automatic balance control, emergency stop mechanisms, and clear visual indicators that enable unexperienced operators to use the device safely and effectively
Solution Approach 2:
The patent combines multiple safety and control functions into a single integrated system that simplifies the operator interface. Rather than requiring the operator to manage multiple separate controls and procedures, the device merges these functions into a unified control mechanism that is easy to operate and reduces the learning curve for new operators
Data Source
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AI summary
A mobile device for stacking and releasing pallets comprises a moving member (3) provided with: a plurality of wheels (5); a pair of lifting arms (9); lifting members (11) connected to the moving member (3) to vertically lift the lifting arms (9). The lifting arms (9) are placed such that a pallet stack can be accommodated therebetween; the lifting members (11) vertically translate the lifting arms (9) starting from a lower condition, in which the lifting arms (9) are totally lowered, such that they (9) travel a distance having at least a preset length (T) approximately equal to the height (h) of the pallet, and vice versa; each lifting arm (9) is provided with at least one support element (13) rotating between a retracted and a protruding condition, whereby in the protruding condition it (13) may abut the pallet and support it; each support element (13) is provided with, or connected to, a rotating element (15) which, when the respective lifting arm (9) is in the lower condition, causes the support element (13) to rotate in the retracted condition following said support element abutting the floor; each support element (13) is provided with a resilient element (17) which transmits a resilient rotational force to the support element (13) towards its protruding condition; each support element (13) is associated with lock means (19) of the reversible type, which can unlock and lock the support element (13) in its retracted condition on command.