What are the regulations for the products produced by the seismic support manufacturers?
Date：
2022-12-15 09:00
Source：
As the country pays more and more attention to the application of anti-seismic support products, the application scope of this type of anti-seismic equipment is becoming wider and wider; because of this, the country's requirements for these products are becoming more and more extensive. Strict, so what are the national requirements for the products produced by seismic support manufacturers?
Regulation 1: In many cases, it is to ensure the reliability of the installation of products related to seismic supports. The country stipulates that the joint fasteners of the earthquake-resistant equipment products produced by the anti-seismic support manufacturers must not use the relevant anchor bolts and spring nuts to separate and form joints, so as to ensure high Credibility.
Rule 2: For the door-type anti-seismic equipment products manufactured by some anti-seismic support manufacturers, when the support calculation is to use two-sided C-shaped round steel, in order to ensure that the overall support performance of the two-sided round steel is stable, it is stipulated that Its patchwork process should use back-hole stamping die connection or integrated metal welding process, and continuous welding connection must not be used to ensure the safety of equipment.
Requirement 3: For some anti-seismic support products used in mechanical and electrical engineering systems, it is required that the inner edge of the rolled C-shaped round steel used must contain heat-treated teeth with a depth of not less than 0.9mm, and at the same time, it must be matched with the relevant connecting scaffolding. The fastener has the same deep tooth pit, so that it can ensure that the connection can achieve the purpose of elastic damage when encountering a relatively large load under the connection mode of tooth occlusion.
Regulation 4: For the equipment products released by the anti-seismic support manufacturer, the finished prefabricated material used in its design must have a tensile strength of not less than 250Mpa, and the relevant tensile strength of the material must not be less than 330Mpa; except for these , The C-shaped round steel for the oblique support point of the product is also made of cold-drawn thick-walled finished bracket round steel, and its wall thickness cannot be less than 2.0mm.
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