What are the eight systems of the elevator!
Eight systems: traction system, guidance system, car, door system, weight balance system, electric drive system, electrical control system, safety protection system
Traction system guidance system car door system weight balance system electric drive system electrical control system security protection system! The
The structure of the elevator includes: four large space, eight system four space: the engine room part, the shaft and the pit part, the car part, the station part. Eight systems: traction system, guidance system, car, door system, weight balance system, electric drive system, electrical control system, safety protection system
