china quality news network news on february 17, 2017, the official website of the bureau of quality and technical supervision of anhui province informed anhui of the 2016 elevator installation quality supervision and random inspections. a total of 149 elevators from 149 elevator manufacturing units were randomly inspected. the average installation quality of a single elevator the rate was 87.69%, the highest was 100%, and the lowest was 68%. no key non-conformities affecting the safe operation of the elevator were found.

chou this supervision and inspection is aimed at traction elevators. the inspection contents are mainly the temperature of the equipment room, the main switch, emergency lighting and alarm devices, ground protection, speed limiter, protection of mechanical parts, drive host, car roof guardrail, emergency unlocking device, door knife door lock roller and sill clearance, counterweight. fixed, guide rails, buffers, shaft protection, door sills, leveling accuracy, protection against door traps, appearance quality requirements, etc., there are 28 major categories of spot checks, with a total of 46 minor items.

the sample of this random check is a traction elevator that was supervised and inspected and put into use from january 1, 2016 to june 30, 2016. one manufacturing unit randomly checked one sample elevator. this time, a total of 149 elevators were sampled. 122 elevator installation units.

according to the statistics of the manufacturing unit, the average compliance rate of the installation quality of the traction vertical elevator in anhui province was 87.69%. 100% compliance rate 1 company, accounting for 0.67% of the total sample; 20% compliance rate above 20%, accounting for 13.42% of the total number of samples; 64% compliance rate above 90%, accounting for 42.95% of the total number of samples; compliance rate above 85% 112 of the total number of samples, accounting for 75.17% of the total number of samples; 136 companies with a compliance rate of over 80%, accounting for 91.28% of the total number of samples; 13 companies with a compliance rate of less than 80%, accounting for 8.72% of the total number of samples.

tongji according to the statistics of the spot check items, the average coincidence rate of the individual items of the spot check items was 88.60%, the highest was 100%, and the lowest was 42.28%. in terms of project content, the installation projects with a compliance rate of less than 85% are mainly room temperature, emergency lighting and alarm devices, grounding, end fixing, mechanical component protection, counterweight fixing, guide rails, and buffers. the three items with the lowest compliance rate are the room temperature (compliance rate 42.28%), the buffer (compliance rate 75.17%), and the guide rail (compliance rate 80.40%).

anhui provincial bureau of quality and technical supervision stated that manufacturing and installation units with a single elevator installation quality compliance rate of less than 80% will be interviewed for inclusion in the 2017 post-certification supervision and random inspection plan; and invite local governments to implement installed elevators for supervision and inspection.

summary of quality compliance rate in 2016