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Advanced Materials Research Vols. 889-890 (2014) pp 902-905
Online available since 2014/Feb/06 at
? (2014) Trans Tech Publications, Switzerland doi:10.4028//AMR.889-890.902
Design of lifting system in seals of the hydraulic support eccentric loading test bench based on PLC and stepper motor
Xi Zhang1,a, Dalong Wang1,b Xinxing Liu1,c ,Miao Yu1,d
Peng Xia1.e Yanyan Wang1.f
School of Mechanical Electronic Information Engineering, China University of Mining Technology (Beijing), Beijing 100083, China
a b c
zhangxi6681@163.com, llzhuanyong@163.com, liuxinxing1572@163.com,
d e f
yumiao_001@163.com , 873478842@, annwangyanyan@163.com
Keywords:PLC; stepper motor; lifting
Abstract. Make use of programmable logic controller (PLC) to control stepper motor to drive the lift of seals of the hydraulic support eccentric loading test bench, in order to make the test bench meet the demand of eccentric loading. Using the Mitsubishi FX series PLC as an example, introduce the methods and principles and realization of lifting action.
Introduction
Stepper motors receive external electrical pulse signal and converts it to angular displacement or linear displacement. Its advantage is you can change the form and frequency of the pulse to realize the control of start and stop, speed and reversing. It’s widely used in precision control applications.
Seals of the hydraulic support eccentric loading test bench is capable to accurately measure the measurement of seals and evaluate the performance and life of seals in simulated condition. The test requirements of eccentric loading in GB 25974.2-2010 coal mine hydraulic support Part 2:column and jack technical conditions need the test bench can go up and down.
Overall Design of Test Bench
The test bench is composed by tested cylinder bench, tested cylinder, driving cylinder bench, driving cylinder, stepper motor, T-steering gear, worm gear screw lift and rails. test bench structure diagram is shown in Figure 1.
Fig.1 Sea
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