What are the requirements for safe crane operation?
安全吊车作业有什么要求？
This crane operation is completed in driver's chamber.
该起重机动作操纵全部在司机室内完成。
Crane safety bulletins and topics of discussion related to crane operation.
吊车安全公告和有关吊车操作的讨论话题。
The German PAT computer-controlled system ensures safety for crane operation.
德国PAT计算机程序控制系统，保证起重机安全工作。
Maintenance Services cover all activities necessary for trouble-free crane operation.
维修服务包括提供所有为保证起重机安全可靠的一切必要措施。
Crane operation of the various agencies to rely on the program control device to achieve, and now more than the use of a crane to control the programmable controller.
起重机各机构的运行要依靠程序控制装置来实现，现在起重机多使用可程序控制器来控制。
And finally, the crane can be online, to monitor real time crane lift and also send the planned steps for a crane operation to ballast system (already delivered to several vessels).
最后，起重机，可在线，实时监测，并派电梯起重机起重机操作步骤的计划，以压载系统(已交付给多艘船舶)。
This paper introduces the control technique requirement of the tower crane operation when the tower crane installed Rail clamping apparatus and PLC control system hardware and software design.
本文介绍了塔机加装夹轨器后的大车运行控制技术要求和PLC控制系统的硬件和软件设计。
Through inspection and adjustment, can provide the normal operation of the crane conditions.
通过检查和调整，可以为起重机的正常运行提供条件。
Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
Three in recent years, many city Chinese due to excessive extraction of groundwater, produce groundwater funnel, causing uneven settlement, affect the operation and construction of the tower crane.
三者由于近年来中国许多城市因地下水抽取过多，产生地下水漏斗，进而引发不均匀的沉降，影响到塔吊的运营和施工。
Crane girders anchored to rock face is a new structure and has become core structure for construction and operation of underground powerhouse.
岩壁梁是一种新型结构，因而岩壁梁是地下厂房施工和运行的核心建筑物。
Control to load sway during operation of overhead traveling crane is a key problem and many studies have been done to solve the problem.
桥式起重机运行过程中的防摆控制是起重机控制的一个关键问题，许多学者对此进行了大量的研究。
Through bearing capacity test and quite a long period of operation, the structure and anchorage measures of concrete crane girder are proved to be reasonable.
通过承载试验成果及一段时间的运行表明，岩壁吊车梁体形及锚固措施设计是合理的。
The bimini supports were noted to be of high quality and well installed. The starboard side vertical support was seen to be removeable, to allow for operation of the dinghy crane.
这些太阳棚的支撑的安装和品质都非常好，且迷你太阳棚后右侧的支撑为可活动性的，便于小艇吊杆的操作。
A random process probabilistic model of the loading maximum value distribution is determined based on the data of actual measurment and investigated operation situation for gantry crane on wharf.
本文以现场量测的码头门机荷载及运行情况调查资料为依据，确定了该荷载最大值分布的随机过程模型，并对该荷载进行概率统计分析。
Changing the positions of thin and thick nuts and using the right thick nut tightening torque ensure safe operation of the crane and longer lives of the screws.
通过试验和理论分析厚、扁螺母在紧固过程中的受力情况，并从试验结果得到一个较合理的厚螺母拧紧力矩，既能保证塔式起重机的安全运行，又能延长螺栓的使用寿命。
Thermit welding and elastic fastening device can reduce the number of joints, overcome the thermal expansion and cold shrinkage of rails, and make the operation of traveling crane smooth and steady.
采用钢轨弹力紧固装置和钢轨铝热焊技术，减少钢轨接头，克服钢轨热胀冷缩带来的弊端，使得行车在钢轨上运行平稳可靠。
The type is GYC5160JSQ truck with loading crane, and it applies to the field lifting operation, wrecking operation and narrow space operation.
车型为GYC5160JSQ型随车起重运输车，适用于野外起重，救险作业和狭窄场所作业。
Its performance feature directly affects the reliability and operation efficiency of the crane.
它的性能好坏直接影响起重机的可靠性与工作效率。
The shipbuilding series portal crane has such features as big lifting weight, wide work scope, stable operation, safety and reliability.
造船系列门座式起重机具有起重量大、工作范围辐射面广、运行平稳、安全可靠等特点。
Semi-portal crane No. 4 has been put into operation for 30 years at Qingtong Gorge Hydropower Station.
青铜峡水电厂4号半门式起重机投入运行已三十余年。
Jib crane: in circles over the operation site and more for open-air handling and installation work.
臂架型起重机：可在圆形场地及其上空作业，多用于露天装卸及安装等工作。
The crane not only can effectively avoid the jitter generated in the falling process of heavy objects, but also can avoid the operation delay.
本发明所提供的起重机不但能够有效避免重物下落过程中发生抖动，而且可以避免操作延迟。
Fully-automated levelling of the outriggers and ballasting with advanced keyhole technology increases the quick readiness for operation of the crane.
全自动支撑水平调节与先进的钥匙孔技术实现快速配重安装，加快了起重机投入使用的速度。
We not only organized captains to proceed operation, but also looked upon the operation training to the post personnel, especially the driller, assistant driller, derrickman and crane driver.
我们不仅组织大班进行实操，同时也重视各岗位员工的实际操作训练，尤其对司钻、副司钻、井架工和吊机等岗位。
The tower crane is a kind of machine widely used in construction industry. It possesses complex coupling movement due to frequent starting and braking during operation.
塔式起重机是建筑业常用的一种机械，在工作中经常起动、制动和进行复杂的耦合运动。
This paper analysed the characteristic of the matching operation of crane and elevator, and presented its hydraulic and electric systems.
本文就其吊机与升降机配合作业的特点进行分析，并简介其液压系统和电气系统。
The double rocker mechanism (with back rocker driving) is used to luffing operation of floating crane. It has high productivity and transfer flexibility.
这种双摇杆变幅机构可用于浮式起重机的带载变幅作业，具有高的生产率和作业灵活性。
The double rocker mechanism (with back rocker driving) is used to luffing operation of floating crane. It has high productivity and transfer flexibility.
这种双摇杆变幅机构可用于浮式起重机的带载变幅作业，具有高的生产率和作业灵活性。
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