土体改良试验平台液压系统设计与分析

土体改良试验平台作为我国土压平衡盾构中土体改良剂研发的基础设施,必须具有完善的控制系统和进行实验分析的能力。介绍土体改良试验平台的功能要求,分析同步推进技术、螺旋输送技术及泡沫发生技术分别在推进液压系统、螺旋输送液压系统及泡沫发生液压系统中的运用情况,并对液压系统的主要参数进行计算,详细阐述各液压系统的工作原理,并对其控制策略进行分析。所设计的液压系统能够满足试验平台的控制要求。

Design of and Analysis on Hydraulic Systems of Ground Conditioning Test Platform

Ground conditioning test platform,which is a basic facility needed to develop ground conditioning agents used in tunneling by EPB shield machines,must have perfect control system and perfect test analysis capability.In the paper,the functional requirements of the ground conditioning test platform are presented,the application of the synchronic propulsion technology,the screw conveying technology and the foam generating technology in the hydraulic systems of the propulsion system,the screw conveying system and the foam generating system are analyzed,the major parameters of the hydraulic systems are calculated,the working principle of each hydraulic system is described in detail and the control strategy of the hydraulic systems is analyzed.The practice shows that the hydraulic systems designed can meet the control requirements of the test platform.