The root cause of shelf deformation.metal TV stand for 75+ inch TV

　　1| considering the deformation caused by uneven weight distribution of goods, lateral impulse caused by stacking machine or forklift operation, seismic intensity fortification;

　　2| between the goods | between the goods and shelves and between the goods and the fire extinguishing pipeline, leave a safe distance, fire spraying space;

　　3| The selection of high-quality steel, surface rust prevention and decorative treatment, in order to ensure the performance of the shelf under the premise of minimizing the project cost.

　　Shelf design should also pay attention to the following points:

　　1. When designing the shelf structure, should consider the use requirements | equipment | load nature | material supply and installation conditions and other factors, reasonable selection of structural form | structural measures and production materials, to achieve advanced technology | economic reasonable | safe and applicable | to ensure quality.

　　2. The dimensional tolerance of the shelf | deformation and clearance should meet the relevant standards.

　　3. There are strict design procedures, warehousing, whether in the durability limit state or in the larger load limit state design shelf structure, must meet the relevant standards, there must be a calculation book. For major projects, finite element calculation must be carried out, the shelf strength | stiffness and stability are combined, and the safety under earthquake is comprehensively assessed. For standard shelves that are reused, there should be a general calculation sheet.

　　4. The data used in the calculation must be based on evidence or obtained by experiments. The shelf structure is often difficult to make an accurate analysis in theory, and the parameters required in the design must be determined by the corresponding test, and the bearing capacity of the shelf structure or a component can also be determined directly through the test. The test shall be reported, and the test equipment shall be calibrated and inspected by qualified metrological departments recognized by the State |.

　　5. Beam type shelves, both ends of each beam must be equipped with a locking device, or provide screws and nuts to tighten, so that the beam can be stably fixed on the column, to prevent upward external force and detachment. To ensure that the beam is engaged with its locking device (or screw and nut), the normal operation of the beam lock or the fastening of the screw and nut should be checked regularly during use, and the damaged device should be replaced in time.

　　6. The column foot of the shelf column should be correctly fixed on the concrete foundation. It is necessary to clarify whether the connection between the shelf and the ground is to use embedded parts, use a secondary watering scheme, or use a chemical bolt directly connected to the ground. The diameter of the bolt | and the smaller size of the embedded bolt must be calculated according to the actual load | earthquake load or wind load. Small shelves below 2.4m hand-fed are not fixed. The concrete of the fixed shelf column foundation must be cured continuously for 28 days, and withstand the corresponding pressure, and the uneven settlement of the foundation must meet the requirements of use.

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