Core contents of the standard: First, classification and model, clarifying the classification method and model coding rules of elevator buffers, which are divided into spring buffers, hydraulic buffers and polyurethane buffers according to working principle; Second, comprehensive technical requirements, stipulating the technical requirements of elevator buffers such as structure, size, material, mechanical properties, buffering performance, weather resistance, and fatigue properties; Third, unified test methods, unifying the test methods and test equipment requirements for various technical requirements of elevator buffers, and stipulating the test conditions and data processing methods; Fourth, standardized inspection rules, clarifying the items, methods and judgment rules of factory inspection, type inspection and sampling inspection of elevator buffers; Fifth, installation and maintenance requirements, stipulating the installation, commissioning, acceptance requirements and daily maintenance requirements of elevator buffers to ensure the normal operation and safety performance of buffers.