Disclosed are a safety apparatus for an escalator and an escalator. The safety apparatus is disposed on the skirt of the escalator, the safety apparatus includes a one-piece profile which comprises a rear wall, an upper portion at an upper end of the rear wall, and a lower portion at a lower end of the rear wall, wherein a plurality of sensor holes are provided on the rear wall, and the safety apparatus further comprises an illumination device, a skirt brush, and a plurality of photoelectric sensors, wherein the illumination device is disposed on the profile and emits illumination light toward the step side, wherein the skirt brush is disposed on the lower portion, and wherein the plurality of photoelectric sensors are mounted to be respectively aligned with the plurality of sensor holes so as to emit and/or receive optical signals through the plurality of sensor holes.

Disclosed are a safety apparatus for an escalator and an escalator. The safety apparatus is disposed on the skirt of the escalator, the safety apparatus includes a one-piece profile which comprises a rear wall, an upper portion at an upper end of the rear wall, and a lower portion at a lower end of the rear wall, wherein a plurality of sensor holes are provided on the rear wall, and the safety apparatus further comprises an illumination device, a skirt brush, and a plurality of photoelectric sensors, wherein the illumination device is disposed on the profile and emits illumination light toward the step side, wherein the skirt brush is disposed on the lower portion, and wherein the plurality of photoelectric sensors are mounted to be respectively aligned with the plurality of sensor holes so as to emit and/or receive optical signals through the plurality of sensor holes.

A drive system (8) for a belt-driven people conveyor (2) is provided which includes a drive motor (10) arranged to drive an input shaft (16); a belt drive pulley (12) for driving a drive belt (6); and a gear system (20) arranged to couple the input shaft (16) to the belt drive pulley (12) such that there is a speed reduction from the input shaft (16) to the belt drive pulley (12). The gear system (20) comprises an output gear (40) directly connected to or formed integrally with the belt drive pulley (12) and at least part of the gear system (20) is located within the belt drive pulley (12).

A drive system (8) for a belt-driven people conveyor (2) is provided which includes a drive motor (10) arranged to drive an input shaft (16); a belt drive pulley (12) for driving a drive belt (6); and a gear system (20) arranged to couple the input shaft (16) to the belt drive pulley (12) such that there is a speed reduction from the input shaft (16) to the belt drive pulley (12). The gear system (20) comprises an output gear (40) directly connected to or formed integrally with the belt drive pulley (12) and at least part of the gear system (20) is located within the belt drive pulley (12).

A drive belt monitoring system for a passenger conveyor (10) is provided having a drive belt (30) having at least one cord (36) extending longitudinally within the drive belt (30). The monitoring system (50) includes: a first sensor (52) configured to measure the pretension of the drive belt (30); a second sensor (54) configured to determine a passenger load on the drive belt (30); a third sensor (56) configured to determine the resonance frequency of the drive belt (30); and a controller (60) configured to evaluate a condition of the drive belt (30) based on: the measured pretension of the drive belt (30), the determined passenger load of the drive belt (30), and the determined resonance frequency of the drive belt (30).

A drive belt monitoring system for a passenger conveyor (10) is provided having a drive belt (30) having at least one cord (36) extending longitudinally within the drive belt (30). The monitoring system (50) includes: a first sensor (52) configured to measure the pretension of the drive belt (30); a second sensor (54) configured to determine a passenger load on the drive belt (30); a third sensor (56) configured to determine the resonance frequency of the drive belt (30); and a controller (60) configured to evaluate a condition of the drive belt (30) based on: the measured pretension of the drive belt (30), the determined passenger load of the drive belt (30), and the determined resonance frequency of the drive belt (30).

The invention relates to a passenger conveyor, such as an escalator or autowalk, comprising a band of conveying elements; a diverting wheel for diverting the passage of the band of conveying elements and/or a traction member thereof and a brake for braking rotation of the diverting wheel. The brake comprises a screw member having a conical threaded external rim; a nut member having a conical threaded internal rim, the screw member and nut member being screwed together, one of said screw member and nut member being connected with the diverting wheel for being driven by the diverting wheel. The brake further comprises a stopping device for stopping rotation of the other of said screw member and nut member.

The invention relates to a passenger conveyor, such as an escalator or autowalk, comprising a band of conveying elements; a diverting wheel for diverting the passage of the band of conveying elements and/or a traction member thereof and a brake for braking rotation of the diverting wheel. The brake comprises a screw member having a conical threaded external rim; a nut member having a conical threaded internal rim, the screw member and nut member being screwed together, one of said screw member and nut member being connected with the diverting wheel for being driven by the diverting wheel. The brake further comprises a stopping device for stopping rotation of the other of said screw member and nut member.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.

A monitoring system for an escalator including: a local gateway device; an analytic engine in communication with the local gateway device through a cloud computing network; a sensing apparatus in wireless communication with the local gateway device through a short-range wireless protocol, the sensing apparatus including: an inertial measurement unit sensor configured to detect acceleration data of the escalator, wherein at least one of the sensing apparatus and the local gateway device is configured to determine a condition based monitoring (CBM) health score of the escalator in response to at least the acceleration data, and wherein the local gateway is configured wirelessly transmit the CBM health score of the escalator to the cloud computing network in a data package via a long-range wireless communication protocols.