GB 25974.1-2026
UpcomingPowered support for coal mine—Part 1: General technical specification
煤矿用液压支架 第1部分：通用技术条件
Application Summary AI generated
This standard specifies the general technical requirements, safety performance, and testing methods for powered roof supports used in underground coal mining operations. It is applied to the design, manufacturing, and acceptance inspection of hydraulic roof supports to ensure structural integrity, stability, and worker safety in longwall mining environments. The standard is mandatory for Chinese coal mine equipment manufacturers and operators to comply with national safety regulations.
Related Standards
JB/T 53566-1999
Product Quality Grading for Single-Side Curved Rail Side-Dumping Mine Car (Internal Use)
JB/T 53574-1999
KQ Series Down-the-hole Drilling Rig - Product Quality Grading (Internal Use)
JB/T 53562-1999
Planetary Drive Scraper Winch Loader - Product Quality Grading (Internal Use)
JB/T 53529-1999
JZ Type Sinking Winch - Product Quality Grading (Internal Use)
JB/T 53530-1999
ST/SD Series Shuttle Mine Car Product Quality Grading (Internal Use)
JB/T 53568-1999
Fixed Body Narrow Gauge Mine Car - Product Quality Grading (Internal Use)
JB/T 53528-1999
JZA–5/1000 Safety Ladder Shaft Sinking Winch Product Quality Grading (Internal Use)
JB/T 53579-1999
Dump Mine Car Product Quality Grading
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.