On the basis of the solution expression, we deduce the composite beam unit stiffness matrix of the dual effects of the displacement.
在解析表达式的基础上推导考虑双重效应的组合梁单元刚度矩阵。
A new concept on the displacement operator for beam unit is established, and a method of calculating the deflection Angle of beam unit is then provided.
本文建立了一个梁单元位移算子的新概念,并提供一种梁平面弯曲变形的梁单元位移算子求变形的计算方法。
Through in-situ measurements in an oil field. the working conditions of beam unit motor were analyzed to discuss several methods of electric energy saving.
通过在油田的实地测量,对所得到的抽油机工况进行了分析;讨论了抽油机电气节能的几种方法;
However by applying node point coupling and restraint equations the result of calculation was basically identical with the calculation result that adopts beam unit hinge joint.
而采用节点耦合和约束方程,则与采用梁单元铰接的计算结果基本一致。
All results show that the beam dynamic behavior is tied up with these factors: frequency of beam, moving frequency of the load and the ratio of vehicle unit mass to beam unit mass.
结果表明梁的自振频率,荷载的行驶频率和荷载与梁质量比对梁的振动都起着重要的作用。
The coupling between bridge and track adopts by beam unit, modulus of electricity of and yielding stress according to the broken line of the non-liner rail longitudinal resistance of displacement.
桥梁和轨道的联结采用非线性梁单元模拟,其材料弹性模量和屈服应力通过轨道纵向位移阻力与梁轨相对位移关系的双折线化确定;
Calculation method of kinematic parameters for the unusual shape beam pumping unit.
异形游梁式抽油机运动参数的求解方法。
A dual variable-diameter wheel pumping unit, which has long stroke and low pumping speed and large load capacity, is designed based on conventional beam pumping units.
双变径轮式抽油机是在继承常规游梁式抽油机优点的基础上设计而成的大载荷、长冲程、低冲次节能型抽油机。
To solve the problems of low efficiency and high power consumption and inconvenient parameter adjustment of beam pumping units, a motor-reversing type pumping unit is developed.
为了解决游梁式抽油机效率低、能耗高和调整参数复杂等问题,研制开发了电动机换向智能抽油机。
Compared with conventional beam pumping unit, the swing-rod beam pumping unit can reduce the maximum crank axle torque markedly, reduce and even eliminate negative crank axle torque.
同常规型游梁式抽油机比较,该机型可以显著降低曲柄输出轴的最大扭矩,减小甚至消除负扭矩,在降低能耗的同时改善了减速箱的受力状况。
For a unit of projected area the loading on a telephone pole or a smokestack will be less than on an I - beam.
对一个单位面积来说,电线杆或烟囱上的荷载要比工字架上的荷载小。
The result shows seven-freedom unit finite element method has high precision to analyse simple beam of rectangular section, it can replace complex analytic solution.
说明采用七自由度单元的有限元法进行矩形截面简支梁的弯翘分析,有很高的精度,可以代替繁琐的解析解。
Steering the beam direction is the main function of beam steering system of phased array radar, test the beam steering system and TR unit performance is signify during the development of the antenna.
相控阵雷达波束控制系统的主要功能是实现对天线扫描波束的控制,在天线阵面的研制过程中,需要对波控系统及TR单元性能进行测试。
The hydraulic beam pumping unit is a new-style pumping unit that combines the advantages of both the conventional beam pumping unit and the hydraulic pumping unit.
液压游梁式抽油机是结合液压抽油机与常规游梁式抽油机优点而研制的一种新型抽油机。
The virtue of balance beam pumping unit is directly depended on its balanced state. But so far, there is no simple and efficient method to detect the balanced state.
游梁式抽油机的平衡状况直接关系到其效能,而对其平衡的检测目前尚无简单易行的办法。
Intensity is a measure of power per unit area, and even a laser that emits only a few milli-watts can produce a lot of intensity in a beam that's only a millimeter in diameter.
强度是每单位面积的度量,即使一个仅能产生几毫瓦能量的激光器也能产生一个直径只有一毫米的高强度光束。
The steel plate that is attached to the end of the walking beam on a beam pumping unit.
固定于游梁式抽油机游梁端部的钢板。
For great workload well, the beam-pumping unit works out of balance generally. It not only wastes energy resources, but also shortens the service life of the pumping unit seriously.
常规游梁式抽油机普遍存在平衡不足的现象,既浪费能源,又严重影响抽油机的使用寿命。
The product is an ideal pumping unit to replace conventional beam pumping unit.
该产品是一种理想的抽油机,以取代传统的游梁式抽油机。
For a unit of projected area the loading on a telephone pole or a smokestack will be less than on an i-beam.
对一个单位面积来说,电线杆或烟囱上的荷载要比工字架上的荷载小。
It has been given to general stiffness matrix and general mass matrix of the built-up construction of the board and beam by analyzing unit stiffness matrix of the board and beam in this article.
通过板及梁的单元刚度矩阵分析,得出板梁组合结构的总刚度矩阵和总质量矩阵。
The steel beam that connects the rotary counterbalance with the walking beam on a beam pumping unit.
在游梁式抽油机上使旋转的平衡块与游梁相连的钢杆。
Vibrations of Timoshenko beam per unit disturbance are investigated in theory.
理论上研究了单位力扰动下的悬臂梁的振动。
In view that large top torque and negative torque are produced when crank balance (primary balance) is adopted, we present the secondary balance of beam pumping unit.
针对游梁式抽油机在采用曲柄平衡(又称一次平衡)时存在的峰值转矩较大、负转矩严重等现象,提出了有关抽油机的二次平衡问题。
The machine consists of a sprayer beam and a unit for pumping the liquid solution.
该机器由一个喷柱和一个抽取溶液的装置构成。
Using assembled unit of prism and lens, the laser beam from firing channel is focalized and imaged.
采用棱镜透镜组合装置把出射激光束经发射通道聚焦成像,根据光斑半径测量束散角。
At the same time the ALJ unit will launch similar laser beam to the fake targets some distance away from the protected targets.
同时主动激光干扰(alj)单位将会发射相似的光束到距防护目标一定距离的假目标上。
At the same time the ALJ unit will launch similar laser beam to the fake targets some distance away from the protected targets.
同时主动激光干扰(alj)单位将会发射相似的光束到距防护目标一定距离的假目标上。
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