DB34/T 3312-2019
Construction hoist gear cone drum type progressive anti-fall safety device inspection rules (English Version)
- Standard No.
- DB34/T 3312-2019
- Language
- Chinese, Available in English version
- Release Date
- 2019
- Published By
- Anhui Provincial Standard of the People's Republic of China
- Latest
- DB34/T 3312-2019
- Scope
- This standard specifies the general requirements, inspection items, inspection conclusions and inspection reports for construction elevator gear cone-drum progressive anti-fall safety devices. This standard is applicable to the gear conical drum-shaped progressive anti-fall safety device (hereinafter referred to as the anti-fall safety device) used in the test bench method for passenger and cargo lifts with a rated lifting speed of not more than 2 m/s and rack and pinion transmission. Carry out regular inspections.
DB34/T 3312-2019 history
- 2019 DB34/T 3312-2019 Construction hoist gear cone drum type progressive anti-fall safety device inspection rules
