查询词典 sheave

By means of variable substitution, it is found that the differential equation of motion is a Bessel equation. Based on the equation, responses of elastic displacement, velocity, acceleration of skip and cable tension close to sheave were deduced.

通过变量代换，发现箕斗运动微分方程是可求解的Bessel方程，从而得到了装载过程中箕斗的弹性位移、速度、加速度和天轮处钢丝绳的张力的解析表达式。

It is engaging mainly in the production of auto components as brake drum, wheel hub and spoke wheel sheave.

在北美、西欧等发达国家和地区给国际大公司配套，享有良好声誉。

Influence of soft and hard groove of steel sheave on fatigue life of wire rope is studied by contrast test.

对绕软、硬滑轮工作钢丝绳的疲劳性能进行了对比试验。

Starting from loading conditions of lifting steel wire ropes, this paper makes more detailed analysis on the static stresses of the steel wire ropes, pointing out that the maximum loading point is at the point of tangency of steel wire rope's pendulous section and the hoisting sheave.

从提升钢丝绳的受力情况入手，对钢丝绳静应力做了较详细的分析，指出钢丝绳在悬垂段与天轮切点处为最大受力

The paper given accurate computer formula and variation curve about suspension point motion (displacement velocity acceleration) and the torque variation law of reductor shaft .given two conclusion: one is the factor affected motor power is the law of suspension point torque ,the other is the factor affect torque fluctuation is the difference between the effective radius of hind heaven sheave and the theory's.

指出影响电机功率的因素是悬点扭矩的变化规律和扭矩波动的大小。其原因是后天轮轮廓曲线有效半径与理论值差异所致。

Influence of groove hardness of steel sheave on fatigue life of wire rope from HB170 to HRC60 is investigated.

对绳槽硬度从HB170～HRC60的各种滑轮对钢丝绳疲劳损伤的影响进行了研究。

A first hoist having a first drive sheave and a second hoist having a second drive sheave are arranged in a hoistway.

在井道内，设有具有第一驱动绳轮的第一曳引机和具有第二驱动绳轮的第二曳引机。

Designer, manufacturer and user of crane are urgently demanded to understand characteristics of fatigue behavior, law of failure and mechanisms of failure of wire rope due to ceaseless appearance of new type and new specifications of wire rope and sheave, in order to design and choose to match wire rope to sheave properly by scientific method.

由于国内外新品种、新规格钢丝绳和滑轮的不断出现，迫切要求广大起重机设计、制造和使用者了解钢丝绳的疲劳行为特征、损伤规律和损伤机理，以便用科学的知识和方法合理设计和选配钢丝绳与滑轮。

For this reason, test assessment of fatigue property of wire rope winding sheaves, influence of groove material of sheave on fatigue life of wire rope, fatigue failure analysis of wire rope and microstructure of wire rope have been studied by a new type electro hydraulic servo automatic wire rope–sheave synthetic tester, scanning electron microscopy, micro-hardness measurement, imagine processing and so on.

为此，本文采用新型电液伺服式全自动钢丝绳－滑轮综合疲劳试验装置，综合应用扫描电子显微镜、显微硬度测试和图象处理等技术，对绕滑轮工作钢丝绳的疲劳行为特征和损伤机理进行了系统深入的研究，主要包括疲劳性能试验评价、滑轮材质对钢丝绳疲劳寿命影响、钢丝绳疲劳失效分析和钢丝绳显微组织等的研究。

The power of motor is positive proportion to square root of equality of square pure torque .the pure torque is combined by suspension point torque and balancing weight torque ,so the change of suspension point's motion law and balancing weight offset angle can causes pure torque variation .especially, the suspension motion law is decided by configuration curve of hinder heaven sheave .so the paper has emphatically studied and analysis the law that the configuration curve of hinder heaven sheave brings the change of pumping unit energy-saving .

电机功率与减速器曲柄轴净扭矩均方根成正比，减速器曲柄轴净扭矩是由悬点载荷产生的扭矩和平衡重产生的平衡力矩合成的；改变悬点运动规律和平衡重的滞后角可以引起净扭矩的变化，其中悬点运动规律是由后天轮曲线决定的，因此，本文依据此原理着重研究分析了后天轮曲线影响抽油及节能的变化规律。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。