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Vol. 163, Issue 1, January 2014, pp. 171-179

 

Bullet

 

Design of Structural Parameters for Centrifugal Elevator Overspeed Governors
 

Song Yunpu, Sun Yixing

School of Mechanical Engineering, Tongji University, Shanghai, China No. 4800, Caoan Road, Jiading District

Shanghai, 201804, China

 

Received: 22 October 2013 /Accepted: 20 December 2013 /Published: 31 January 2014

Digital Sensors and Sensor Sysstems

 

Abstract: As an important part of overspeed and fail-safe protection for elevators, the centrifugal elevator overspeed governor is a device for limiting overspeed of elevator cars. This paper researches on the vibration of the centrifugal block, which plays a key role in the performance of this overspeed governor. By performing dynamics analysis on the centrifugal block, the differential equation on the vibration of the centrifugal block is established. Based on this, the paper performs simulation analysis on the influence of systematic parameters such as the speed of the overspeed governor sheave, the mass of centrifugal block, the turning radius of the centrifugal block, the position where the spring acts, and the stiffness of the centrifugal block spring, on the vibration of the centrifugal block, and finds out their specific influence relationship.

 

Keywords: Elevator overspeed governor, Centrifugal block, Dynamics analysis, Vibration differential equation, System parameter.

 

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