液压

A thrust hydraulic system of shield tunnelling machine with pressure and flow compound control was designed using electro-hydraulic proportional control technology.

采用电液比例控制技术设计了一种基于压力流量复合控制的盾构推进液压系统。

Structure design and control method of the cutter body system are the main problems in producing shield driven by hydraulic cylinder directly, in-depth and systemic research about these important probl.

刀盘系统的结构设计及其控制方式的研究是液压缸直接驱动盾构研制所必须解决的关键问题，本文围绕这些关键问题进行了深入的系统的研究。

This paper made use of the electro-hydraulic proportional control technology, adopting the principle of separate the ground control or grouping and unite control to control the velocity and pressure of thrust hydraulic cylinder to complete the shield machine attitude adjust in the course of its advance.

应用电液比例控制技术，采用分组联合控制的原则，控制推进液压缸的速度及压力，完成盾构推进过程中的盾构掘进姿态的调整。

An adaptive PID controller for thrust speed of a hydraulic thrust system in shield machine based on the single neuron structure was designed on the basis of the fact that the single neuron features the PID characteristics.

在分析单神经元PID特性的基础上，设计了基于单神经元的盾构推进液压系统速度自适应PID控制器。

In order to reduce the expense production,by using the design principle such as locally supllying strength and approximately equi-strength ,standing shield hydraulic support can be revamped as efficieatly shield hydraulic support.

为了降低生产成本，采用局部补强、近似等强度的设计原理，将支撑掩护式支架改造成掩护式支架，改造后的支架完全具备掩护式液压支架在强度方面和运行轨迹方面的要求，同时也达到了减轻支架自身的目标。

Jiangsu Zhongya Heavy Industries Co., Ltd is a professional company engaged in the design, installation, adjustment, repair and maintenance of the shield machine hydraulic system, centralized lubrication, grouting system, mudding system, pneumatic system, water supply and draining system, tail seal system, foam system and pipelines.

江苏重亚重工有限公司是从事盾构液压、集中润滑、注浆、加泥、气动、供排水、盾尾密封、泡沫系统及管路的设计、制造、安装、调试和维修维护的专业公司。

In this design four-bar the position puts against coal powered support ZFS10000/25/45. It consists of canopy, base plate, caving shield, hydraulic legs, front and rear lemniscate bars and so on.

本次设计的四连杆中位放顶煤液压支架ZFS10000/25/45，有顶梁、底座、掩护梁、立柱、前后连杆等几部分组成。

DBT supplies the full range of equipment from hydraulic shield supports, electro hydraulic controls, conveyors, ploughs and shearers to crushers and diesel transport vehicles.

DBT提供从液压支架、电液控制系统、运输机、刨煤机、采煤机到破碎机、辅助运输系统的成套设备和解决方案。

The paper introduces the principle of the thrust hydraulic system of telescopic shield tunneling machine,and build the modle of hydraulic system in AMESim environment,basis the fact to optimum design the relevant parametre,considering the system s time-change,non-linear and the affect of complex operating contion,adopting the control alforithm of RBF Neural Network Self-tuning PID.

该文介绍了双护盾掘进机推进系统的工作原理，在AMESim环境下建立了液压系统的模型，根据实际情况对相关参数进行了优化设计，考虑到系统的时变非线性以及复杂工况的影响，采用了基于RBF神经网络自整定PID控制算法，在 MATLAB下编写了相应的S函数，通过AMESim/Sinulink与AMESim进行联合仿真分析。

It is one of the most powerful companies in the field of hydraulic manufacture.

这是其中一个最强大的公司在该领域的液压制造。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。