The paper summarizes the working condition of the hoisting motors, suggests the corresponding electrical welding workmanship and guarantees the reliable operation of the hoisting motor.
文章总结了起重电动机工况特点，提出相应的电工焊接工艺方案，解决了电动机运行的可靠性问题。
Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack which has the shortcomings of low efficiency and great risk.
摘要船闸人字门顶门检修的传统方法是采用液压千斤顶手动作业，工作效率低，时间长，技术风险大。
The technical process of this hoisting method, chosen equipment and materials and operation key points are elaborated.
阐述该吊装法施工的工艺流程，选用的主要机具和材料以及需要掌握的操作要点。
Please read the operation instructions of hoisting machine.
敬请用户认真阅读卷扬机使用说明书。
By hoisting the cooling air duct are fully introduced and it avoids the effects of welding on the load of aerodynamics traction components, and guarantees the safe operation of trains.
冷却风道采用吊装方式安装，避免了焊接对空气动力学牵引端受力的影响，保障了列车的安全运行。
GTD and GTH bucket elevator machine has large throughput, high hoisting height, stable operation, long service life, etc.
GTD与GTH型斗式提升机具有输送量大、提升高度高、运行平稳、使用寿命长等特点。
This paper introduces a new type of hoisting machine's control system, and expounds the overall design, equipment selection, operation process and installation of this system.
介绍了一种新型的提升机控制系统，阐述了其总体设计、设备选型、工作过程及安装。
Branch is set, workers, trade, transport hoisting one for the production and operation of enterprises.
公司是集科、工、贸、吊装运输为一体的生产经营企业。
Simple and rapid operation reduces the operators and improves the hoisting productivity.
操作方便快速，减少了吊装操作人员，提高了吊装生产率。
This paper presents operation, structural composition and design method of air - cushion floating devices, as well as application in hoisting and conveying machinery.
概述气垫悬浮技术和装置的主要工作原理、结构组成、设计要点及其在起重运输机械方面的应用。
It is a tool for hoisting plaform. It can change the operation direction of hoisting wirerope.
起吊平台用机具，改变起吊钢丝绳运行方向。
After a drum is dismounted, a spared drum can be located on the drawworks by the hoisting unit, thereby the truck can te put into operation on another well.
然后再利用小吊架吊起一个备用滚筒安装在绞车上，载车就可载着绞车到其他油井继续作业。
Lifting operation hydraulic system should be no-load operation, adjust the lifting sleeve frame roller and the mast section clearance, hoisting torque and balance torque balance;
顶升作业时液压系统应进行空载运转，调整顶升套架滚轮与塔身标准节的间隙，使起重力矩与平衡力矩保持平衡；
Lifting operation hydraulic system should be no-load operation, adjust the lifting sleeve frame roller and the mast section clearance, hoisting torque and balance torque balance;
顶升作业时液压系统应进行空载运转，调整顶升套架滚轮与塔身标准节的间隙，使起重力矩与平衡力矩保持平衡；
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