This paper presents a simple and safe lifting device adopted the principle of screw jack,the upside-down installation method and procedure for welding a vertical and cylindrical vault steel acid tank with 5000 m3 volume on site,then it stresses on typical problems of the lifting device design.
介绍利用螺旋千斤顶自行设计的一套简易安全举升装置,以及采用倒装法现场安装组焊5000 m3立式钢制圆筒形拱顶贮酸罐的方法和施工程序,重点分析顶升装置设计时应注意的事项。
However, there is no lifting device on small-tonnage ships and it is difficult to equip large mechanical devices for them.
文章介绍了一种可在各类船舶上临时布设的四自由度举升装置,该装置结构巧妙,操作简便,与船舶相容性好,适应性强,重量轻,海洋环境适应性强。
In this paper,the working fundamentals of air-pumping mechanism are introduced,and the experimental researches on different air-pumping device design schemes under the penetration construction conditions of jetting and cementing platform were made.
试验研究获取了气举装置的输气量与排水量的关系和气举高度特性以及各种泵体结构参数,为正压冲固平台基础的沉贯设备设计提供了科学依据。
Design of Electrohydraulic Control System of Traveling Test-oil and Test-tree Lift Equipment;
移动式试油试采举升装置电液控制系统的设计研究
Lift Device on Waste Container of Rear Compression Refuse Collector
后装压缩式垃圾车挂桶举升装车装置
The Theoretical Analysis and Experimental Study on an Air-lift Device;
气举提升装置的理论分析和实验研究
Inspect basket hoisting rings frequently for rigns of rust; Replace basket if rings are heavily corroded.
经常检查装置举升环是否有生锈；如果举升环被严重腐蚀了，得重新更换举升环。
proximity protection device
防夹装置〔升降机〕
lifting appliance
升降设备, 提升装置
parking elevator
立体停车场提升装置
the double-geared lifting mechanism of a crane.
起重机的双轮提升装置。
enclosure of a liftway
升降机槽的围封装置
bay assembly lift adapter
组舱式挂弹装置升降机
Optimization of Hinge Point for Direct-lift Construction;
直顶式举升机构铰支点位置优化设计
There is the airr expelling device, the equipmevts heats quickly.
有内装空气排除装置，设备升温快。
When you turn a switch, you can easily operate lighting, heating or power-driven electrical devices.
旋动开关，就业能轻而易举地启动照明装置、供热装置和电动装置。
Improvement of Driving Chain Wheel Group and Tautening Device on HL Elevator Machinery;
HL型斗式提升机传动装置和拉紧装置的改进
improvised water tower
临时凑合的举高喷射装置
The Fatigue Analysis of Jack-up Platform Jacking System;
自升式海洋平台升降装置疲劳强度分析
The secondary elevating mechanism is equipped with pneumatic or manual device for customers to choose.
二次举升机构配置油动或气动机构，供用户选择。
An Influence of the Alteration of Oiljar Position of Dump Trucks on Maximum Lifting Angles
自卸车油缸位置的改变对最大举升角的影响