Pallet Emptying Structure for Safe Bulk Material Transfer
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Solution Overview
Problem
The existing methods for transferring firewood from pallets to containers are risky, time-consuming, and pose safety hazards due to entanglement of nets and detachment of pallets, especially when manually cutting open nets on elevated pallets.
Innovation Solution
An emptying device for bulk goods on pallets, comprising a container with adjustable dimensions and securing mechanisms to hold the pallet in place, allowing safe transfer of bulk material into designated containers while keeping the pallet and cover intact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual net cutting and pallet tilting is used to transfer firewood, then the transfer process can be completed, but the net may become entangled and the pallet may detach into the container
Solution Approach 1:
The net is cut open before the pallet is tilted, while the pallet is still in a stable, accessible position. This preliminary action prevents the net from becoming entangled during the tilting process, as the net is already separated from the bulk material before the pallet changes position.
Solution Approach 2:
A guide structure is introduced as an intermediary element between the pallet and the container. This guide structure controls the path of the bulk material during transfer, ensuring that only the material passes through while the pallet remains constrained and cannot detach into the container.
2Productivity
If the pallet is raised high for net cutting, then the transfer can proceed, but the operating personnel face safety risks due to difficult reach
Solution Approach 1:
The net is cut open at a lower, more accessible height before the pallet is raised to its final tilted position. This preliminary cutting action eliminates the need for personnel to reach high up, thereby reducing occupational safety risks while maintaining process continuity.
Solution Approach 2:
Instead of raising the pallet first and then cutting the net at height, the sequence is inverted: the net is cut at ground level first, then the pallet is raised and tilted. This reversal of the operation sequence eliminates the safety hazard of working at height.
3Productivity
If the net is cut open manually on the elevated pallet, then the bulk material can be transferred, but time is lost due to manual handling and potential rework
Solution Approach 1:
The net is cut open in advance at a convenient, ground-level position before the pallet is elevated and tilted. This preliminary action eliminates the need for time-consuming manual handling at height and prevents potential rework from net entanglement, thereby reducing total handling time.
Solution Approach 2:
The guide structure serves as an intermediary that channels the bulk material during transfer. This allows the net to be cut beforehand without affecting the transfer efficiency, as the guide structure ensures proper material flow regardless of when the net was cut.
Data Source
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AI summary
The present invention relates to an unloading device for bulk materials (62) stored on pallets (60), comprising a container (12; 112; 212; 312) with a top, a bottom, two opposite sides, a back, and a front, wherein the container (12; 112; 212; 312) is at least partially open at the bottom and the front, and wherein a lateral wall element (16, 18; 116, 118; 216, 218; 316; 318) is provided on each of the two opposite sides, a rear wall element (20; 120; 220; 320) is provided on the back, and an upper wall element (22; 122; 222; 322) is provided on the top, which are connected to each other to form the container (12; 112; 212; 312). are, and a pallet securing device (40; 140; 240; 340) with an open state and a closed state, wherein the pallet securing device (40; 140; 240; 340) is provided on the container (12; 112; 212; 312).