Optimization of the control on the falling reference of the grab bucket of ore ship unloader;
矿石卸船机抓斗下沉量控制优化
According to the actual working conditions of bolting-shotcrete supporting in coal-mine tunnel,the working mechanism of different buckets was studied,their merits and demerits were analysed,and the double-crank grab bucket with assistant linkage was proved to be an ideal choice of grabbing materials in coal-mine tunnel because its motion trace was definite and symmetric and occupied lesser space.
从巷道锚喷支护中物料抓取的实际作业环境出发,对拟采用的几种抓斗的工作机理进行了分析研究,比较了各方案的优缺点,指出辅助连杆的双曲柄抓斗的运动轨迹确定、对称,且具有在竖直方向上占用空间最小的特点,是井下巷道施工中物料抓取的理想选择,这种设计方法能够为相关抓取装置的设计起到参考作用。
This paper analyses in quantity for the key factors to influence the fold and unfold of the grab bucket in the four-drum grab bridge ship unloader.
对四卷筒抓斗卸船机抓斗开闭的影响因素进行定量分析,根据悬索理论,给出了悬垂段钢丝绳的悬垂方程。
Several problems in designing long stay bar double jaw boards grab;
长撑杆双颚板抓斗设计中的几个问题
Numerical analysis of the disabled grab and some improvements in structure;
抓斗失效的数值分析及结构改进
Simulation and analysis of grab lifting dynamic load coefficient;
抓斗起升动载系数的仿真分析
The clamshell excavates the deep and shallow wall troughs because it has the characteristics of high working efficient, easy to move and .
深、浅墙均采用抓斗挖槽， 因其具有工效高、移动方便、施工无震动等特点。
In the construction of foundation seepage control wall for construction cofferdam of Wangpuzhou Water Control Project in the Hanjiang River,the clamshell was used to dig the trench.
在汉江王甫洲水利枢纽施工围堰基础防渗工程中，采用抓斗挖掘槽孔，成功地建造了３道固化灰浆防渗墙，总截水面积达１５１７８。
When a clamshell dredger is used to carry out over-depth and over-width dredging,accuracy control is always one of the difficulties.
抓斗式挖泥船进行超深超宽施工时,精度控制始终是难题之一。
Analysis on Meteorological Contributing Factors of Groundwater Drawdown Funnel in Langfang
廊坊市地下水位下降漏斗的气象成因分析
Study on Funnel-shaped Zone of Groundwater and Ground Subsidence in Linqing City
临清市地下水漏斗区与地面沉降研究
A method for extraction of depression cone based on digital groundwater level models
基于数字水位模型的地下水降落漏斗提取
Analysis on Evolution of Groundwater Depression Cones and Its Leading Factors in North China Plain
华北平原地下水降落漏斗演变及主导因素分析
The Investigation of Underground Reservoir Construction in the Excess Exploited Funnel Area
超采漏斗区漏斗填充式地下水库研究
Limit Equilibrium Analysis of Environment Bearing Capacity for Extracting Groundwater Resource in Cove of Depression of Sanqiao,Guiyang,Guizhou
贵阳市三桥降落漏斗地下水资源开采环境承受能力极限平衡分析
Study on the Key Technologies of Water Resouces Regulation by Groundwater Depression Cone in Daqing City;
大庆市地下水位降落漏斗区水资源人工调蓄关键技术研究
Form Princple and Controlling-adjusting Research about Deep Groundwater Depression Cone in Dezhou
德州深层地下水位降落漏斗演变机制与可调控性研究
underground milling
地下放矿漏斗开采法
The feasibility investigation of underground reservoir construction in the excess exploited funnel area
超采漏斗区漏斗填充式地下水库的可行性研究
elevator bucket specially designed for underground use
斗式升降机,专用地下
thistle tube
实验室用的一种漏斗(在漏斗与下端管子中间有球体相隔)
Experience in Thoracoscope-Assisted Nuss Operation for Pectus Excavatum Repair
胸腔镜辅助下漏斗胸矫治手术(Nuss)
Application of “Funnel Model” to Production Control under Constraints;
约束条件下“漏斗模型”在生产控制中的应用
Numerical Simulation of New-Type EMBR for Flow Field in Funnel Shape Mold
新型电磁制动下漏斗形结晶器流场的数值模拟
Measurement of Spherical Ceramic Particles Flowing from Three-dimensional Hopper by Particle Image Velocimetry
陶瓷球颗粒在圆形漏斗中下落速度的PIV研究
Influence Study of Ground Water Funnel in Shoushan Liaoning on Railway Project Construction
辽宁首山地下水漏斗区对铁路建设的影响
Something resembling this utensil in shape.
漏斗状物外形象漏斗的物体
