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重型刮板输送机成套装备智能化关键技术

         

摘要

According to an intelligent importance of complete heavy scraper conveyor equipment to the realization of an automatic un-manned coal mining face,the paper pointed out the key technology to realize the intelligent of the complete equipment and compared and analyzed three soft start technologies.The paper introduced two methods to realize frequency conversion speed regulated soft start as well as the harmonic restraint technology and frequency conversion control system.The paper stated the chain tension automatic control principle realized with the pressure control of the cylinder at the extension tail.A Hall sensor was applied to detect a sensing device of the chain fault.The paper provided architecture of the scraper conveyor remote performance monitoring diagnosis and control system,finally,pointed out the intelligent problems to be solved of the complete heavy scraper conveyor equipment.%针对重型刮板输送机成套装备智能化对实现自动化无人工作面的重要性,指出了实现成套装备智能化的关键技术,比较分析了3种软启动技术,介绍了实现变频调速软启动的2种方法以及谐波抑制技术与变频控制系统,阐述了通过控制伸缩机尾油缸压力实现链条张力自动控制原理,利用霍尔传感器检测链条故障的传感装置,提出了刮板输送机远程工况监测诊断与控制系统的架构,最后指出了重型刮板输送机成套装备智能化亟待解决的问题。

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