The overall frame of U-shaped warehouse storage rolling container cage trolley adopts a combination of differentiated pipes and wire mesh to form a carrier structure with both rigidity and permeability. The U-shaped base roller box chassis is the load-bearing core, and the square tube frame design is innovatively adopted. The square tube optimizes the force transmission path, so that the chassis disperses the stress more evenly when bearing vertical loads, fundamentally enhancing the overall structure's anti-deformation ability. The side foldable structure is an important functional design of the cage trolley. Its chassis, base and middle shelf are all made of reinforced metal flat steel and metal wire mesh. The reinforced metal flat steel increases the local load-bearing strength by increasing the contact area, while the metal wire mesh uses the mutual restraint of the grid structure to form a stable plane with multi-directional force. The box body adopts a combination of round tube frame and welded metal wire mesh. The arc structure of the round tube can effectively disperse the lateral impact force, and the rigid connection formed by the overall welding process enables the box body to resist the stress caused by external extrusion and collision during transportation.
Core load-bearing advantages of U-shaped base roller box
As the mobile load-bearing center of U-shaped warehouse storage rolling container cage trolley, the structural design of U-shaped base roller box directly determines the operating stability of the equipment. The chassis composed of square tube frame forms a closed force system through integrated welding process, so that the entire base can avoid deformation caused by local force concentration when carrying goods. This design allows the cage trolley to evenly transfer weight to each roller fulcrum when placing heavy goods, combined with the wear-resistant material and steering structure of the roller. The stable base structure plays a fundamental role in cargo protection. When the cage trolley is stationary, the rigid support of the square tube frame can avoid the chassis tilting due to uneven ground or slight collision, thereby reducing the risk of extrusion of goods due to the shift of the center of gravity; during the movement, the anti-bumping ability of the frame can buffer the impact caused by road vibration and provide a continuous and stable support environment for the goods in the box.
Functional realization principle of side folding structure
The side foldable design is a key innovation to improve the space utilization rate of U-shaped warehouse storage rolling container cage trolley. Its structural details fully reflect the integration of functionality and reliability. The metal flat steel at the foldable part is specially bent to ensure the folding flexibility while increasing the material thickness at the corner to enhance the fatigue resistance. The connection between the wire mesh and the flat steel adopts a dual fixing method of spot welding and binding to ensure the integrity of the mesh. This structural design shows multiple advantages in cargo management. The mesh gap of the wire mesh is optimized to effectively prevent the sliding and displacement of the cargo during the transportation process, and will not affect the visibility of the cargo due to the dense mesh. The adjustable function of the middle shelf enables the cage trolley to flexibly divide the storage space according to the size of the cargo, and avoid mutual squeezing between different cargoes through physical separation. When irregular-shaped cargo needs to be stored, the folding side can expand the loading space, and the rigid frame in the closed state forms a closed protection.
Comprehensive performance of the box structure
As the main storage space for cargo, the structural design of the box must take into account both protection and ease of operation. The box skeleton composed of the round tube frame is continuously welded to form an overall force network. Each connection node is polished after welding to eliminate the safety hazards caused by sharp edges and corners and enhance the shear strength of the nodes. The fit between the welded wire mesh and the round tube frame is controlled within the millimeter range to ensure that the mesh surface is flat and has no protrusions, avoiding damage to the goods due to friction during contact. This structural combination gives the box multiple practical characteristics. The curved surface of the round tube frame reduces the risk of bumps during cargo transportation, and is especially suitable for storing fragile goods or precision parts; the transparent characteristics of the wire mesh make it easy for warehouse managers to quickly count the number of goods, and inventory verification can be completed without opening the box. The body welding process makes the box have good sealing properties, which can reduce the intrusion of debris in a dusty storage environment, and the mesh structure ensures air circulation in the box to prevent the goods from mildewing due to long-term sealing.
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