GB 25974.4-2026
UpcomingPowered support for coal mine—Part 4:Specification for electro-hydraulic control system
煤矿用液压支架 第4部分：电液控制系统技术条件
Application Summary AI generated
This standard specifies the technical requirements, test methods, and inspection rules for electro-hydraulic control systems used in powered roof supports for underground coal mining. It is applied to ensure the safe, reliable, and automated operation of hydraulic support systems in longwall mining faces, including functions such as remote control, pressure monitoring, and sequential support movement. The standard is primarily used by mining equipment manufacturers and coal mine operators for design, production, and acceptance testing of these control systems.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.