启闭

由于研究区地处偏远，所以希望应用水力自控闸门，按设计标准进行启闭。

Because it is remote , so we hope to sue automatic water sluice gate and start and stop according to the design criteria .

首先对新型的水力自控滚筒闸进行清水水工模型试验，通过实验可以证实，新型的水力自控闸门是可以按设计要求自动启闭的。

Clear water hydraulic model test was done , and the result verifies that the late model automatic water expansion cylinder sluice can start and stop automatically .

基于Internet的双吊点水闸液压启闭机远程监控系统研究

Study on the Remote Monitoring and Control System for Double-suspension Sluice Hydraulic Hoist Based on Internet

闸门启闭机CAD系统图形库的研制

Study on the Graph - base of a Gate Hoist CAD System

液压启闭机CAD系统研究

The Research of Hydraulic Gate Hoist CAD System

以工程数据库为核心的液压启闭机CAD系统研究

The Research of Hydraulic Gate Hoist CAD System Which Focuses on Engineering Data Base

PLC在水力发电站液压启闭闸门监控系统中的应用

Application of PLC in Monitoring System for Hydraulic Gate of Hydraulic Power Station

基于VB和PLC的水闸液压启闭机控制系统设计

System Design of the Headstock Gear with Hydraulic Pressure of Sluice Based on VB and PLC

基于CFD的液压锥阀阀芯启闭过程的液动力分析

Analysis on Flow Force of the Hydraulic Poppet Valve with the Moving Cone Based on CFD

基于ADAMS的门式启闭机虚拟样机建模及起升工况的动力学仿真

Modeling of virtual prototype of gantry crane based on ADAMS and dynamic simulation of hoisting condition

基于PROFIBUS现场总线控制的液压启闭机系统

The Hydraulic Hoist System Controlled By Profibus Field Bus

基于机械CAD系统的对象建模方法，就装配图在对象建模中的作用进行探讨，并给出了液压启闭机CAD实例分析。

Based on object-modeling method in mechanical CAD system , make study on the use of assembling drawing in object-modeling , and give a example of it .

三维绘图及有限元软件SolidWorks在启闭机设计中的应用研究

The Application and Study of Three-dimensional Drawing and Finite Element Software SolidWorks in Hoist Design

将ANSYS的二次开发语言APDL与VC相结合，开发门式启闭机门架结构的参数化有限元分析系统。

Combining APDL in ANSYS with VC , the parameterized finite element analysis system of the hydraulic gate hoist structure is developed .

对传统水闸液压启闭机控制系统进行了改进，提出了1种基于VB和PLC技术相结合的计算机控制方案。

The traditional headstock gear control system with hydraulic pressure of sluice is improved , a kind of control scheme based on VB and PLC is given .

300t回转式铜精炼炉盖启闭装置及主要参数计算

Open and Close Devices for a 300t Rotary Copper Refining Furnace Cup

两种人工机械心瓣启闭过程的ALE有限元分析

A Comparative Study of the Opening and Closing Process of Two Types of Mechanical Heart Valves Using ALE Finite Element Method

介绍了泄洪弧形闸门双缸液压启闭工作原理及其计算机控制系统构成，着重阐述了应用高性能PLC实现闸门自动控制的方法；

The work principium of the two-cylinder hydraulic hoist and computer control system for the spillway radial gat are introduced herein , The application of PLC to realisation automatic control of the gate is emphasised as well .

NGF型内启闭无泄漏给粉机是火力发电厂锅炉燃烧系统主要的给粉设备，能把煤粉连续、匀地供给锅炉燃烧系统。

Model NGF powder feeder with internal gate and leakproofness is a major pulverized coal feeding equipment in combustion system of power plant to feed coal into boiler continuously and evenly .

提高扇贝柱微波真空干燥速度和干燥品质的最优参数组合为：真空度＞0.088MPa、微波功率3.0～3.6w／g和启闭比0.25～0.33。

Considering the drying rate and quality of MVD scallop , the operation parameters of vacuum pressure , power of microwave and on / Off ratio should be kept at > 0.088 MPa , 3.0 - 3.6 w / g and 0.25-0.33 , respectively .

ATP敏感性钾通道是一种受细胞内ATP浓度，NDPs，KCOs，SUs等多种因素调节启闭的钾通道。

ATP sensitive passage is one , which is by ATP concentration , NDPs , KCOs , SUs and other factors to close and open .

阀杆的强度问题与最大启闭力矩密切相关，本文利用Workbench接触分析结果求解开启时刻的最大摩擦力矩。

The intensity problem of the valve pole is closed related with the biggest moment . This text makes use of the Workbench contact analysis result to get the biggest friction moment at the open time .

本文简要介绍了笔者在引进支撑环境下独立开发的专用CAD系统应用软件&液压启闭机CAD系统的运行环境、结构特点、主要功能模块的功能及开发过程中碰到的关键技术难点及解决方法。

This paper gives a simple introduce to one of the special computer aided design system application software & The Hydraulic Gate Hoist CAD System 's running environment 、 structure characteristic 、 main function module 、 what 's difficult on the progress of developing it and how to resolve it .

在大型启闭式防雨棚和移动式防雨棚条件下，采用筒栽和盆栽土培法，以优质冬小麦为试验材料，就RDI对作物经济产品品质性状的影响进行了试验研究。

Under conditions of large-scale open-closed type rain-proof shelter in plot culture with winter wheat as material , effects of RDI on quality of crop economic product were studied .

利用VC编制对话框界面，对ANSYS有限元分析过程进行封装，系统运行时只需输入分析所需的参数，就可以在后台运行ANSYS，实现门式启闭机门架结构的有限元分析。

By using VC to make dialog interfaces to cover the ANSYS finite element analysis process , inputting the needed parameters , the system itself will produce the APDL program and run ANSYS automatically , which realizes the parameterized finite element analysis of the gate hoist structure .

950B轮式装载机用多路阀中主安全阀启闭特性仿真及参数优化

The Performance of Switch on and off Simulation and Parameters Optimization of Main Safety Valve used in Mutiple-Spool Control Valve in 950B Wheel Loader

二进制启闭键控（OOK）调制是所有调制方式中最简单的一种，最大的优点在于能够采用结构简单的非相干接收方式，可以实现低功耗。

OOK modulation is the simplest of all modulation schemes , and the most significant advantage is that it can use the non-coherent receiver with simple structure , so it can achieve low power consumption .

秦工生产的GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。

GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage , and controls the actuating cylinder to drive the butterfly valve opened and closed .

GUD型-电动高真空球阀是以电动装置驱动阀杆与球芯来执行启闭动作，达到接通或切断真空系统管路中的介质流。

GUD electric high vacuum ( pressure ) ball valve uses electric device to drive the stem and ball for open and close , thus to put through or cut off the medium flow in vacuum ( pressure ) pipeline .

输水阀门启闭机液压系统动态仿真

Simulation on the Hydraulic System of Open-close Machine of the Floodgate