偏心轴

In this paper,the Newtonian fluid model was used to describe rheological property of the produced fluid,and motion equation of unsteady flow of Newtonian fluid in eccentric annulus with the inner cylinder reciprocating axially was transformed by means of the method of undetermined coefficients.

采用Newton流体模式描述油井产出液的流变性，利用待定系数法变换Newton流体在内管做轴向往复运动的偏心环空中非定常流的运动方程，建立给定流量下Newton流体在内管做轴向往复运动的偏心环空中非定常流的压力梯度计算公式，并利用有限体积法对压力梯度进行数值计算。

Results show that the field amplitude and S parameter decrease with the oblique misalignment angle increase.

结果表明：随着倾斜偏心度的逐渐增大，倾斜偏心同轴波导的S21参数和电场的幅值减小，但减小的幅度不是很明显，不会影响同轴波导的正常工作。

. As a result, the oil film character of tilting pad would be changed into that of the finite arc cylindrical bush, with the bearing centre , the axle journal centre , the eccentricity and the angle of displacement .

假定开始时轴颈是没有运动的，如图1所示，瓦块圆弧中心、轴颈中心以及瓦块支点处于同一直线上，轴颈中心和瓦块中心间距离定义为原始偏心。

Clean and check 1 slowly loosen the gland nut stuffing, packing the release of residual pressure of all components; 2 Remove all old packing, thoroughly clean axle / rod stuffing; 3 Check the shaft / bar have corrosion, dents, scratches or excessive wear; 4 Check whether there are other WATER POWER CONTROL VALVE parts burr, cracks, wear, they will reduce the packing life; 5 Check whether there is too much stuffing the gap, and the shaft / rod eccentric degree; 6 the replacement of defective parts larger; 7 Check the old packing, as BALANCING VALVES the basis of failure analysis to find the reasons for early failure of packing.

缓慢松开填料函的压盖螺母，释放盘根组件内所有的残余压力； 2）移去所有旧的盘根，彻底清洁轴/杆的填料函； 3）检查轴/杆是否有腐蚀、凹痕、划伤或过度磨损； 4）检查其他零件是否有毛刺、裂纹、磨损，它们会减少盘根的寿命； 5）检查填料函是否有过大的间隙，以及轴/杆的偏心程度； 6）更换有较大缺陷的零部件； 7）检查旧盘根，作为失效分析的依据，球阀以找到盘根早期失效的原因。

Hydraulic forces applied on the agitator are simplified as a main moment and a main force on the agitating shaft, Initial decentration of agitator is determined based on the balance standard. The dynamic responses, such as fluctuating bending stresses and dynamic deflections, of the agitating shaft under no-liquid and normal working conditions are studied.

将搅拌器上的流体作用力简化为一个主矩和主矢；为考虑作用在搅拌轴上的惯性力效应，根据平衡精度预设搅拌器的初始偏心；在转子动力学软件ROTOR中建立搅拌轴的梁盘模型，分别计算了搅拌轴在空载和搅拌工况下的动力响应，并进一步讨论了动力响应与工作转速、轴径和轴长的关系。

For achieving large-scale space photoelectric tracking, the axis error of the new three-axis gimbal with collimation axis eccentricity was studied.

摘要本文分析了实现大范围空间光电跟踪的视轴偏心三轴跟踪机架的轴系误差。

The influence of the eccentricity mass moment, position of mass center and the bearing stiffness to the vibration characteristics of the rotor system is discussed in detail; 3. To verify the exactness of FEM and learn the principle of vibration of dredge pump further, The orbit of the rotor shaft of the pump in the dredger is measured, the measurement results show: the repeat of the orbit of the rotor shaft is very bad when dredge pump is in the dredging mud condition.

模态分析确定了泥泵的振动特性；谐响应分析确定了泥泵转子轴在偏心力的作用下轴截面处的最大响应位移；研究了转子轴的质心位置、轴承刚度和质量偏心矩对转子轴振动特性的影响； 3、采用轴心轨迹法，实船测量了泥泵轴工作时振动响应值。

The flow of Non-newtonian fluid in eccentric annuli with the inner cyinder moving axially and it's application in preventing pumping rod and oil tube from eccentric wear in a polymer-driving well are studied in this paper.

在采油过程中，由于油井较深的缘故，抽油杆在油管中是处于偏心位置的，聚驱井产出液在抽油杆做轴向运动的井筒中的流动问题就是非Newton流体在内管做轴向运动的偏心环空中的流动问题。

The bearing is fixed on the shaft by setscrews in the inner ring, eccentric locking collar or adapter sleeve so that it decreases the precision requirement of the shaft and makes installment and replacement convenient.

带座外球面轴承的内径采用&+&公差，与轴形成间隙配合，通过内圈上一侧的顶丝、偏心套或紧定套，把轴承固定在轴上，降低了对轴的精度要求，安装或更换轴承极为方便。

The present invention relates to a reduction box mainly composed of coaxial line input shaft, output shaft, internal ring gear, eccentric toothed plate engaged with the internal ring gear and pin shaft.

本发明涉及一种同轴输入输出单级齿轮差齿减速箱，该减速箱主要由同轴线的输入轴1、输出轴7、内齿圈6，与内齿圈6啮合的偏心齿片5、销轴3等构成。

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％。