AQ 1112-2014
Testing specification of in-service connecting chain of decauville car for coal mine (English Version)
- Standard No.
- AQ 1112-2014
- Language
- Chinese, Available in English version
- Release Date
- 2014
- Published By
- Professional Standard-Safe Production
- Latest
- AQ 1112-2014
- Scope
- This standard specifies the inspection items and technical requirements, test methods, inspection cycles, sampling regulations, and judgment rules for narrow-gauge vehicle connecting chains (hereinafter referred to as connecting chains) in use in coal mines. This standard is applicable to the in-use inspection of various forged connection chains and welded connection chains of mining cars used in inclined shaft transportation in coal mines, the inspection of various insurance chains used in inclined shafts and the connecting rings and chains of mining cars before and during use. test.
AQ 1112-2014 Referenced Document
- MT 244.1 Car coupler of decauville for mine connecting chain
AQ 1112-2014 history
- 2014 AQ 1112-2014 Testing specification of in-service connecting chain of decauville car for coal mine
