Otis Elevator Company

Jie Hu

Jianguo Li

Feng Xu

Jun Ma

QingXi Cai

Lifei Cheng

JianGuo Li

Xin Wei

MingPing Jiang

Hongmin Zhu

Yongqing Fang

Fengshu Yue

Jiangxing Huang

Shimao Chen

Jianye Yang

Jiawei Wu

Bingyin Cheng

Jinqi Yang

Yunyun Zhao

ZuAn Tang

Zuan Tang

An automatic handrail tensioning system and a method for adjusting the tension degree of a handrail, and belongs to the technical field of escalators. The automatic handrail tensioning system of the present invention comprises: a sensor for detecting information that can reflect a tension degree of the handrail; a controller for determining the tension degree information of the handrail according to the information detected by the sensor, and generating a corresponding control instruction for adjusting the tension degree of the handrail based on the tension degree information; and an actuator for driving a tensioning device to adjust the tension degree of the handrail based on the control instruction.

Handrail automatically tensioning system and a method for adjusting tension level of handrail

A direct-drive system for a passenger transportation apparatus, and a passenger transportation apparatus having same. The direct-drive system comprises: a motor comprising a motor output shaft, for providing power; a main drive shaft for transmitting the power to a passenger transportation portion of the passenger transportation apparatus; and a gear box comprising an input end connected to the motor output shaft and an output end connected to the main drive shaft respectively, and being used for transmitting the power, provided by the motor, to the main drive shaft, wherein the gear box comprises a plurality of gear pairs, and each of the gear pairs has a progressively decreasing gear slope along the direction from the input end of the gear box to the output end thereof.

Direct drive system for passenger conveyer device and passenger conveyer device

A bi-directional escalator includes an ascending escalator and a descending escalator arranged in parallel and side-by-side with the ascending escalator. A driving machine drives an ascending driving unit and a descending driving unit at the same time. A controller controls operation of the driving machine. The driving machine includes an electric motor and a reduction gearbox connected to the electric motor. The reduction gearbox has a first output shaft and a second output shaft both arranged on the same side of the reduction gearbox.

Two directions escalator driven by a single machine

Growing community of inventors

Hangzhou, China

Jie Hu