An escalator is a fixed, electrically driven device consisting of a specially structured chain conveyor and two specially structured belt conveyors, with a circulating runway, used to transport passengers upwards or downwards at varying heights within a building. It is a continuous conveying machine that transports people up and down.
An escalator is a fixed, electrically driven device with circulating runways used to transport passengers upwards or downwards at varying heights.
An escalator consists of a runway (a modified plate conveyor) and handrails on both sides (modified belt conveyors). Its main components include runways, traction chains and sprockets, guide rail system, main drive system (including motor, reduction gear, brake, and intermediate transmission links), drive shaft, runway tensioning device, handrail system, comb plates, escalator frame, and electrical system. The runways move horizontally at the passenger entrance (for easy boarding), gradually forming steps; near the exit, the steps gradually disappear, and the runways return to horizontal movement. These movements are achieved by the main wheels and auxiliary wheels of the ladder moving along different ladder guide rails.
