往复机构

An inside conical surface at the lower end of the joint is designed to ensure the shaft swing freely within an angle range of 10°, thereby the axial bending stress caused by the deflection of the borehole can be eliminated effectively.

这种装置采用类似球形关节的旋转机构，消除了抽油杆柱上下往复运动产生的倒扣扭矩；在短节下端设计有10°的内圆锥表面，使转轴能够在10°范围内自由转动，从而有效地消除了由于井身弯曲而产生的轴向弯曲应力。

The vibration of motorcycle caused by inertia force of the machine such as piston ,link and so on which transfer and rotate up and fro is an important and troublesome problem in motorcycle industry by now.

摩托车发动机的活塞、连杆等机构的往复惯性力引起的振动始终是困扰摩托车行业的一个大问题。

Its working principles for the saws mounted on a frame on the saw blade, driven by the connecting rod with the saw frame for resumption of exercise often, at the same time through the movements transmission Continuous feed down for sport in order to achieve the sawing of stone processing.

其工作原理为装在锯框上的锯条在连杆的带动下随着锯框作往往复运动，同时通过升降传动机构连续向下作进给运动，从而实现对石材的锯切加工。

The uniform reciprocating motion is developed based on the character of uniform transmission ratio of gear transmission.

由于这两种机构产生的往复运动的速度是变化的，影响了机床的加工质量。

The mechanism is made up of gear and gear rack can get rid of dead point.

提出了一种齿轮齿条机构产生匀速往复直线运动并能克服死点的方法。

In this paper, we put forward a new kind of mechanism based on the analysis of the movement regularity of traditional horizontal reciprocating compressor which combined both magnetic suspension technique and linear driving technique. It takes advantage of the magnetic field force acted on the plunger, which will generates moment of couple to balance the corresponding moment ...

分析了传统卧式往复压缩机活塞连杆运动的规律，设计了一种集磁悬浮和线性驱动技术为一体的往复磁悬浮式压缩机机构，该机构利用作用于活塞连杆上的磁场力，使其力偶矩与连杆活塞的重力矩相平衡，使活塞对缸体的正压力趋向于零或等于零的理想状态，从而使摩擦副间的摩擦力达到最小。

A virtual prototype of compound mechanism that consists of rotating system and reciprocating motion system is set up.

建立了一个转子系统与往复运动系统复合机构的虚拟样机。

The ensemble structure and working principle of clip electrochemical burring device are discussed in detail.

详细论述了夹片电化学去毛刺装置的总体结构、工作原理，整个装置由间歇往复输送机构、夹片模具、电解液循环装置和清洗装置组成，最后对间歇往复输送机构、夹片模具等进行设计计算。

The crank and connecting rod mechanism, the cam mechanism and the eccentric wheel mechanism are used to transform the continuous movements into the reciprocal movements, yet these mechanisms have no constant transmission ratio and there exist rather large impact force while operating at high speed.

曲柄连杆机构、凸轮机构和偏心轮机构常用来将连续运动转化为往复运动，但这些机构没有恒定的传动比，高速运转时存在较大的冲击力。

Design of theimplementation agencies right mind crank slider, This will shearstransmission rotation slider into the reciprocating linear motion,the realization of the right of sheet metal shear.

设计中采用的执行机构为对心曲柄滑块机构，这一机构将剪板机传动系统的旋转运动转变为滑块的往复直线运动，实现对板料的剪切。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了