几秒钟的警报也能够挽救建筑地盘上的生命，例如让工人抓住钢梁或者把起重机移到较安全的位置。
A few seconds' warning could also save lives on construction sites, allowing, for example, workers to grip girders or move cranes to safer positions.
本课题首次将声发射监测技术应用于起重机梁的安全评价，从而扩展了声发射技术的应用领域。
This subject applies AET to safety assessment of crane beam first, so extend the application area of AET.
他们在戴好安全设施之后头朝下的从桥梁、高塔、起重机甚至是热气球上跳下。
After being well-equipped, jumpers leap headfirst from Bridges, towers, cranes, and even hot-air balloons.
由于在焊缝部位存在焊接缺陷，采用传统的建立在构件无缺陷、无裂纹基础上的强度理论进行设计计算时，往往不能确保起重机在额定载荷下使用的安全性。
Since there are weld defects in welds, using traditional strength theory based on no defect and no crack to design, crane's security in rating load can't be insured.
本文介绍了塔式起重机钢结构安全寿命评估中的应力幅及应力幅谱系数的计算方法和过程。
This paper describes the calculation method and process of stress amplitude and stress amplitude spectrum to evaluate the safety life time of steel structure for tower crane.
起重机的安全寿命取决于其金属结构的疲劳强度。
Safety life of crane was determined by its fatigue intensity of metal structure.
规定要对起重机、吊机、吊索进行安全检查。
Inspections should be conducted on cranes, hoists, and slings.
介绍了对QLY25型轮胎起重机的改进过程，经改进后的起重机达到作业可靠、操作安全的效果。
This paper introduces the process of improving QLY25 tyre crane. Improved cranes work reliably and are safe for the operator.
为了保证起重机安全可靠地运行，必须安装力矩限制器或超载限制器。
In order to ensure safe and reliable operation of a crane, it is necessary to install a torque limiter or overload protector.
文章将对各种淬火起重机的结构、控制方式、适用性、安全方面进行简述。
This paper discourses the structure, control mode, applicability and safety performance of all kinds of quenching crane.
对铸造起重机起升机构制动器的要求是安全可靠和不产生过大的冲击。
The requirement to a brake of the lifting mechanism of a ladle crane is safety, reliability, without excessive shock.
因此有必要对港口起重机的防风抗台工作进行研究，以确保港口安全生产。
So its necessary to do research on the windproof measures, in order to guarantee the safety of port in production.
采用起重机吊装预制梁，具有施工机具简单、易于操作、成本低、工期短、质量安全易于保证等优点。
Using crane to hoist and construct bridge is characteristic of simple in constructional machines, easy in operation, low in cost, short in construction time, safety and good quality.
除工业以太网和连通性生产线，HAC在电子控制和起重机安全系统以及其它承载设备领域也处领导者地位。
In addition to its Industrial Ethernet and connectivity product lines, HAC has a leading position in electronic control and safety systems for cranes and other load-bearing equipment.
德国PAT计算机程序控制系统，保证起重机安全工作。
The German PAT computer-controlled system ensures safety for crane operation.
起重机力矩限制器是装备在起重机上的重要超载保护装置，它为起重机的安全工作提供保障。
Crane moment limiter that is equipped on the crane is an important overload protective device. It provides safeguard for the safety work of crane.
汽车起重机的锁紧和限速是两项重要的安全技术要求，它对确保起重机的安全使用，减少恶性事故的发生起着至关重要的作用。
The locking and speed restriction of truck crane are two important security indicators. To ensure safety in operation and prevent disastrous accidents, they are of vital importance.
为了保证臂架式起重机的安全工作，必须安装能监测载重、幅度等影响起重机力矩因素的力矩保护器。
For the safe operation of jib cranes, load moment limiters need to be installed to monitor and control values of load and radius influencing the value of load moment.
塔式起重机是现代施工中越来越重要的起重设备，其安全可靠运行是保证施工现场安全的重要指标。
Tower cranes become more and more important lifting equipment in modern construction, its 'safe and reliable operation is an important indicator to ensure the safety of the whole construction site.
并根据其疲劳类型，确定选用安全寿命设计方法对塔式起重机钢结构进行疲劳分析，并应用名义应力法估算塔式起重机钢结构的疲劳寿命。
According to the fatigue type, use safe-life design method to study tower crane's fatigue, and choose nominal stress approach to estimate the life of tower crane.
铸造起重机(特别是采用行星减速机者)在卷筒端低速轴上安装安全制动器，对起升机构起到有效的安全保护作用。
Safety brakes have been used at low speed shaft of ladle cranes, especially of those with planet gear boxes. Safety brakes protect the main hoist effectively.
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。
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.
随车起重机对回转式减速器的要求性能很高，要求产品具有严格的安全性和可靠性。
The requirements of slewing drive used in truck crane is rather high, it should have significant security and reliability.
用户自己的或第三方的经过起重机厂家培训的维护队伍是安全使用的保障。
A service team from customer or third party trained by manufacturer for operating the hoist and any maintenance services is needed.
信号员必须确保使用正确的信号， 保证起重机 动作安全。
Signalman should coordinate to ensure Safe Lifting Operation with proper signals.
路基箱是大型履带式起重机的重要配件，为了保障其安全工作，应当使用合理的计算模型对其进行力学性能分析。
As an indispensable accessory, welded grillage slabs should be analyzed with a reasonable and practical calculation model to guarantee the safe operation.
分析了桥式起重机典型事故发生机理，运用事故树分析法对桥式起重机事故发生进行了分析，从而为能够找出安全隐患，制定出最优的控制措施提供了理论上的依据。
Fault Tree Analysis Method is applied to analyze typical accidents on bridge tramway in order to develop theoretical base for finding out potential risks and stipulating optimal control measures.
分析了桥式起重机典型事故发生机理，运用事故树分析法对桥式起重机事故发生进行了分析，从而为能够找出安全隐患，制定出最优的控制措施提供了理论上的依据。
Fault Tree Analysis Method is applied to analyze typical accidents on bridge tramway in order to develop theoretical base for finding out potential risks and stipulating optimal control measures.
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