操纵杆越长就越容易抬起重荷，而如果你的操纵杆真的过短，那你将在力学上处于劣势。
The longer those handles are, the easier it is going to be to lift up the load. If you had really short handles, you would have poor mechanical advantage.
所有的起重机都应当有主钩的起重能力指示器和扒杆角度指示器，并且起重机司机要看得见。
All cranes will be equipped with a functional weight indicator on the main hoist and a boom Angle indicator, both visible by the operator.
针对塔式起重机标准节主弦杆因材料批次不同焊接后尺寸不同的问题，提出对塔式起重机标准节主弦杆焊胎的改进方法。
To solve the problem of the variety of the main rod's size after welding to adjustable tower crane standard section, because of the difference of the material batch, a novel approach is proposed.
丝杆防护套是起重机的一种配件。
针对这一情况，尝试在塔式起重机基础中应用锚杆静压桩，这对提高工程综合效益具有较大的意义。
Engineers tried to adopt the anchor rod static pressure pile technology in design of tower crane foundations and this technology can improve synthetical benefit of projects.
科尔曼挺杆起重机在枢轴位置安装有捆绑臂，可以使臂旋转，这些枢轴可以安装在地上、天花板上，也可以安装在墙上托架上。
Coleman enclosed track jib cranes are trussed booms mounted on a pivot to allow for boom rotation. The pivot location can be on a floor mounted pedestal, ceiling mounted pedestal, or a wall bracket.
四连杆门座式起重机采用最佳优化的组合臂架系统，具有水平落差小、变幅平稳、功耗低的特点。
Four-link portal crane using the best combination of optimized boom system, with horizontal small gap, amplitude stable, low power consumption.
门座式起重机分单臂架和四连杆两种类型，起重机的起升、变幅、回转和行走四大机构均采用交流变频调速，整机采用PLC控制，使用性能优越。
Portal crane sub frame and four-link arm two types, from the crane hoisting, luffing, slewing and walking four agencies ac frequency control, the machine USES PLC control, superior performance.
岸边起重机杆件的风致振动的主要表现形式为横风向的振动，按发生原因称为涡激振动。
The main form of the rod wind vibration is crosswind vibration, called the vortex-induced vibration according to the reason.
塔式起重机塔身的抗扭刚度与塔身腹杆布置密切相关。
Torsional stiffness of tower crane mast is closely related with the arrangement of Web members of the mast.
弹射座椅操纵杆只能用一次，它的使用将引起重要的变化，而且这个。
Ejector seat levers can only be used once, and their consequences are significant and irreversible.
介绍了神钢7100履带吊臂杆桁杆的修理过程，提出臂杆更换中的注意要点，为起重机臂杆桁杆修理提供借鉴。
This paper introduces the overhaul procedure of Shengang7100 crawler-type crane boom trussed pole, proposes the attention point during exchanging the crane boom trussed pole.
他偶然触动杆在起重机的手，可以预见未来。
By accident he touches a rod held in Crane's hand and sees visions of future.
岸边起重机结构中有许多长的弹性圆截面杆件，自振频率比较低，很容易发生横风共振。
There are many long and elastic round cross-section rod structures in quayside container crane, whose frequency are so low that it is easy to arouse crosswind resonance.
四连杆组合臂架是门座起重机最常用的变幅机构形式之一。
The four-bar combination jib is one of the most commonly used forms of the derricking mechanism for portal cranes.
从纵向堆垛稳定、横向堆垛稳定及起升缸的压杆稳定三方面入手，对叉车最大起升高度起重量进行理论计算，通过综合分析比较来最后确定，并作实例分析。
With analyse and compare the results of calculate stability on longitudinal, lateral and lift cylinder, confirm the forklift capacity at Max. lift height, and make example analysis.
指出可以通过对桁架增加立柱的方式对悬臂进行加固；另外，附着杆的增加可以降低起重机对下部悬臂桁架的不利荷载。
It is pointed out that adding column for truss can strength the cantilever, and adding attached bar can reduce unfavorable load of tower crane to cantilever truss.
针对这一情况，尝试在塔式起重机基础中应用锚杆静压桩，这对提高工程综合效益具有较大的意义。
As a new technology in the improvement of foundation soils, anchored silent pile is more and more widely used in practice.
那个起重抱杆（格状抱杆、转盘抱杆）的起重能力为60吨。
The hoisting capacity of that gin pole (girder pole, guy derrick) is sixty tons.
这些起重机，液压冲力并不是作用于吊杆上，而是作用于一个铰链连接杆。
On these cranes, the hydraulic RAMS that extend to raise up the crane do not push on the boom, but instead on a pivoting link-bar.
这些起重机，液压冲力并不是作用于吊杆上，而是作用于一个铰链连接杆。
On these cranes, the hydraulic RAMS that extend to raise up the crane do not push on the boom, but instead on a pivoting link-bar.
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