摘要
针对一般的盾构模拟实验台只能模拟盾构推进的单环工作过程、无法再现盾构在整个掘进过程中轨迹和姿态发生变化的多环连续模拟问题,提出盾构掘进模拟机构实现多环推进模拟的姿态复制原理,设计出模拟盾构整个掘进过程的实验装置。该装置由两个PRPR机构组成,通过姿态复制记录盾构掘进过程中水平方向的横摆角和竖直方向的俯仰角,在同一位置展示不同时刻盾构的姿态,从而完成整个掘进过程的模拟。通过建立该实验装置的数学模型,分析了其工作空间并通过盾构水平推进模拟实验验证了姿态复制原理的有效性,为盾构的多环连续掘进模拟提供了新的方法。
Considering that the shield machine＇ s simulator test rigs can only simulate a single-ring thrust process but discover the changes of trial and attitude during the multiple-ring thrust process, this paper proposes a principle called attitude copying about simulating the multiple- ring thrust with a shield machine modeling rig and design a relative experimental device. This device includes two PRPR mechanisms which can record the yaw and pitch angles when the shield machine is excavating based on the attitude copying principle. The device will simulate the whole thrust process by presenting the shield machine＇ s attitudes of different moments in the same place. This paper also establishes the device＇ s mathematical model and analysis its working space. By simulating experiment about the shield machine＇ s horizontal excavating, the feasibility of the attitude copying was verified.
出处
《机械设计与研究》
CSCD
北大核心
2017年第6期44-47,共4页
Machine Design And Research
关键词
盾构机
模拟实验台
多环推进模拟
姿态复制
shield machine
simulator test rig
multiple-ring thrust
attitude copying
