查询词典 hydraulic

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。

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。

The coordinated control of the pressure and the speed for shield thrust hydraulic system was realized with PLC based on the CC-Link Profibus technique, and the man machine interaction was also developed for the condition monitor of shield thrust hydraulic system with Kingview software.

利用基于CC-Link现场总线的PLC控制实现了盾构推进液压系统速度和压力的协调控制，采用组态王软件开发的盾构推进液压监控系统实现了人机交互。

Based on the investigation and research on shield machine technology, and studying the hydraulic thrust control system of shield machine by reading, analyzing, summarizing lots of literatures and investigating at site. Referring to the simulation experiment platform of shield machine built by ZheJiang University and ShangHai Tunnel engineering corp., analyzing the work principle of the thrust hydraulic system and the thrust attitude control method of shield machine.

在对盾构技术充分调研的基础上，通过阅读、分析及综合大量文献和现场调研，参照浙江大学和上海隧道工程公司共建的盾构模拟实验台，分析了盾构液压推进系统工作原理及其掘进姿态控制的方法，对盾构液压推进控制系统进行了控制仿真研究。

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。

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。

1It introduces a hydraulic motor monitoring system in the computer hardware and software resources, covering both hardware and software: hardware focused on the composition of the hydraulic system, data acquisition hardware structure, signal conditioning equipment, software FIX software introduced in the main characteristics and functions of data collection on the board of the I / O drive configurations and address of the distribution, real-time database design.

1介绍了液压马达测控系统中计算机的软硬件资源，其内容涉及硬件和软件两个方面：硬件方面着重研究了液压系统的组成、数据采集的硬件结构、信号调理装置；软件方面介绍了FIX软件的主要特点及功能，研究了数据采集板卡的I/O驱动配置及地址分配，实时数据库设计。

Owing to the fact that hydraulic fluid is essentially incompressible, very little actual displacement is involved in the operation of the load cell (some movement, however, is inevitable, as it is nearly impossible to remove all the air from the hydraulic system, in particular, the gauge).

由于这一事实，即液压油基本上是不可，很少实际位移是在操作上所涉及的负载细胞（一些运动，不过，是无可避免的，因为它几乎是不可能的，以消除所有的空气从液压系统，特别是，计）。

Incompressible hydraulic fluid is liquid, so the use of hydraulic oil pressure can not accumulate energy, we must rely on other media to conversion, the pressure can be accumulated.

液压油是不可压缩液体，因此利用液压油是无法蓄积压力能的，必须依靠其他介质来转换、蓄积压力能。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。