滑轮

A steering angle of an elevator sheave on a shaft is adjusted at installation and subsequently during maintenance by one of several embodiments.

可通过若干实施例中的一个实施例在安装过程中和安装后的维修过程中对电梯滑轮在轴上的转向角进行调整。

I see you made sheaves for each block.

我看你为每个滑轮制作绳轮。

Of caurse it is possible to make sheaves for each block, but is it necessary?

当然可以给每个滑轮制作绳轮，但是否有必要？我的观点是如下

Standard sheaves used on Top Drives are Composite, which are lighter and improved cable life.

在顶驱中使用的标准滑轮是合成的，更轻并提高电缆的寿命。

In addition, oil fields at sea frequently require installation work, which is why the 3,000 short ton crane was developed. With its 90-meter jib, a 100-ton hoisting block, a total crane weight of over 2,200 tons and its height of over 75 meters, this crane is truly a 'big guy', even by Huisman standards.

另外，海底油田常常需要进行安装工作，这也是开发3000短吨级起重机的原因。90米长的起重悬臂，100吨中的起重滑轮，全重超过2200吨，高度超过75米，即便按照豪氏威马的标准，这台起重机也是一个真正的"大家伙"。

In Chapter 9, a more complete optimization model of single boom, leading pulley compensation type luffing system of portal crane is established for the first time and is optimized by the integrated visualized intelligent optimization system.

第九章首次较完整地建立了单臂架导向滑轮补偿式门座起重机变幅系统优化设计模型，并用所开发的集成化可视化优化系统进行了求解，利用本文的研究成果，本章还进一步讨论了抓斗机构的优化问题，这些实际工程问题都验证了本文研究成果的有效性。

From single parts, wheel, pulley, coupling and reducer to such parts of the complete car and driver's cab, all above that can be dispatched in time when received customer's demand information to ensure customer delivery of continuous operation needs.

从单个零件，车轮、滑轮、联轴器、减速器等部件到完整的小车、司机室都可以在接到客户需求信息后及时发货，确保客户连续作业的需要。

In this paper,the optimization of the single boom system withcompensating pulley is studied,in which the minimization of the height difference between theluffing path and the fixed level line is the optimum destination,and the boundary conditions andempiric formulas are constralnt equations.

以变幅轨迹与水平线间的高度差最小为目标，以经验设计公式和边界条件为约束函数，对平衡滑轮补偿法的单臂架系统进行优化，并以80t起重机为例进行计算。其计算结果表明：变幅轨迹曲线有了明显改善。

2 Counter balance system shall have a single weight, pulley, cable, counter balance system which prevents sash tilting and permits one finger operation at any point along full width pull.

平衡系统有砝码、滑轮、铰链等装置。平衡系统可以阻止移门倾斜，并且可用一只手操控。

High quality of the metal used for sliding door is shown in the perfect combination of the track and pulley, rather than a simple part of it.

高质量的滑动门五金体现在轨道与滑轮的完美结合，而不是单纯的某个部分。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。