查询词典 grab bucket

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。

Grab Bucket Ship Unloader is one of the large scale port logistic equipments.

抓斗卸船机作为港口重要的大型物流设备之一，在散料接卸中发挥着重要的作用。

In our country unload bulk materials equipments to have in common use currently: bucket elevator, screw conveyer , car dumper system,dump car,bottom-unload car system, grab-bucket machine.

为解决我单位狭窄货场的卸车问题，减少车辆在厂内停时费用，该文设计出一种新型卸车工具：螺旋送料器。

Try in make clear, hydraulic pressure shovels dredger, grab bucket to shovel dredger construction efficiency instead instead taller, dredge of dredger of grab bucket type shovels type dredger to affect degree small; to wring dredger suction type to water environment than turning over, contain a lot ofas a result of bottom mud sundry, suction inlet jams extremely easily, apply to; of dredge of mud of Suzhou river bottom to undertake to groovy grab bucket environmental protection is transformed hard, the influence of earth of hourglass of leakage of the grab bucket in reducing dredge process significantly to water system water quality, be worth promotion application.

中试表明，液压反铲挖泥船、抓斗反铲挖泥船施工效率较高，抓斗式挖泥船疏浚比反铲式挖泥船对水环境影响程度小；绞吸式挖泥船，由于底泥富含杂物，吸口极易堵塞，难以适用于苏州河底泥疏浚；对常规抓斗进行环保改造，显著减少疏浚过程中抓斗漏水漏土对水体水质的影响，值得推广应用。

This national standard is applicable to the general gantry cranes operating outdoors (hereinafter referred to as "cranes"), and their fetching device is hook, grab bucket or magnechuck, or made of two or three aforesaid means.

本标准适用于露天作业的通用门式起重机，其取物装置为吊钩、抓斗或电磁吸盘，或同时用其中二种或只种。

When an ore ship unloader is digging ore from a ship cabin, the digging weight of the grab bucket is based on how much the grab bucket fall down.

如何自动控制抓斗下沉量，在确保安全的前提下，能获得最大的抓取比，这是提升作业效率的关键。

The workers are using the grab bucket to transport concrete.

工人们正在使用抓斗运输混凝土。

By simulation,the thesis validates that existence of balance-departure-degree in differential force for the grab bucket.

根据抓斗在差动力作用下，抓斗摆动的特点，提出了抓斗消摆控制的解决方案——摆角微分负反馈。

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。

By a simulation with numerical computing to the grab bucket failure from heavy deformation under load, this paper gives an advice to improve the grab according to the analvzed result.

对抓斗受力后发生严重变形而失效的工况进行数值模拟仿真计算，根据分析结果提出改进措施，并在同样的工况下对修复方案进行仿真分析，为抓斗的修复工作提供技术支持。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷