This standard specifies the content and technical requirements for safety inspection of friction wheel lifting equipment. This standard applies to both above and below ground, single rope and multi-rope friction wheel lifting equipment.
LD 87.2-1996 history
2008AQ 2021-2008 Safety inspecting-testing specification of in-service friction mine hoist for metal and nonmetal mines
1996LD 87.2-1996 Specifications on safety technical inspection of mine hoisting system.Part 2:Inspection of friction hoisting equipment