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- What is the space utilization rate of the double-sided shelves in Nakajima
- Where is the stability of single-sided shelves against the wall reflected
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Where is the stability of single-sided shelves against the wall reflected
source：m.cppbug.com | Release time：2025年12月08日1. Fit the back against the wall to counteract unilateral lateral thrust
The back of the shelf adopts a whole panel back panel or reinforced rib back panel structure, which is tightly attached to the wall after installation. The wall can directly provide lateral support force, effectively offsetting the unilateral lateral thrust generated during the stacking of goods, and avoiding the shelf from tilting or tipping over at the root.
For heavy-duty wall mounted shelves, thick bonding crossbeams will be added at the contact position between the backboard and the wall to increase the stress area and disperse local pressure. Even when stacking heavy goods such as hardware and electromechanical equipment, the structure can remain stable.
2. Widen the base+low center of gravity design to enhance vertical stability
The base adopts a widened and thickened steel structure, which increases the contact area with the ground and lowers the overall center of gravity of the shelf. When stacking goods on the upper layer, the center of gravity is always within the support range of the base, and will not be offset or imbalanced due to heavy goods.
The connection between the base and the column adopts full welding or high-strength bolt fastening technology, with high node strength, which can evenly distribute the vertical load transmitted by the layer board to the ground, avoiding deformation and loosening at the connection between the column and the base.
3. Double fixation of wall and floor, anchoring the shelf position
Wall fixing: Heavy duty shelves are directly fixed to load-bearing walls such as concrete walls and brick walls with expansion bolts or chemical anchor bolts to achieve rigid connection between shelves and walls and prevent lateral displacement; Lightweight shelves are fixed with corner codes and self tapping screws to meet the storage needs of light goods such as stationery and daily necessities.
Ground fixation: In heavy-duty scenarios, the shelf base will be additionally equipped with foot expansion bolts to anchor the base to the ground, forming a dual fixation system of "wall pull+ground anchor" to cope with the vibration and impact caused by frequent forklift operations and cargo handling.
4. Mechanical structure optimization of columns and laminates to distribute loads
The column is made of cold-rolled steel and is integrally formed. The cross-section is mostly designed with butterfly holes and diamond holes, with high compressive and bending strength. It can evenly transmit the vertical load of the laminated board to the base and ground, avoiding local stress concentration that may cause the column to bend.
The laminated board is made of reinforced cold-rolled sheet or grid sheet, and the edges are reinforced with rolled edges. The connection between the laminated board and the column is double fixed with buckles and bolts, which enhances the load-bearing capacity and deformation resistance of the laminated board, and prevents goods from slipping or uneven stress on the shelf due to bending of the laminated board.
5. Targeted design of load for single-sided stacking of goods
Unlike double-sided shelves, the load parameters of single-sided shelves against the wall are calculated based on the single-sided stress scenario. The load-bearing limit of laminates and columns fully considers the stress distribution characteristics of single-sided stacking. Within the rated load range, structural damage will not occur due to single-sided stress.
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