本文提出了悬点载荷计算公式的几点选用意见。
This paper also makes Suggestions for selection to formulae for calculating the polished rod loads.
为进一步深入研究不规则试件的点载荷试验提供了一些依据。
These provide evidences for the further through study of the point-load test with irregular specimens.
主传动链与承载链将悬点载荷分解为换向抽汲载荷与平衡载荷。
The main drive chain and the bearing chain divide the polished rod load into reverse pumping load and equilibrium load.
摘要:为模拟抽油机悬点载荷,设计了一种新型抽油机悬点载荷模拟试验装置。
Abstract: To simulate the polished rod load of the pumping unit, a new polished rod load simulation test device has been designed.
示功图量油就是通过对悬点载荷与悬点位移进行分析,计算井口产液量的一种方法。
Surface liquid yield measurement using dynamometer card (SLYMUDC) is a method of computing surface liquid yield of Wells by analyzing polished rod load and displacement.
介绍了改进PVC管材性能的方法,简介了PVC-M管材优异的冲击性能、抗开裂性能、耐点载荷能力和可焊性。
Measures to improve the properties of PVC pipes were introduced. The excellent impact property, anti-fracturing property, anti-point loading capacity and weldability of PVC-M pipes were introduced.
无换向架链条抽油机的链条承受的总拉力为悬点载荷与平衡重的差值加连杆对链条的水平分力在链条上形成的附加拉力之和,受力状况优于普通链条抽油机,且能得到控制。
The force conditions of the chain on a chain drive pumping unit without reverse rack are much more favorable than that on conventional chain drive pumping units, and can be well controlled.
为了完全化解导弹威胁,大气层外拦截器(EKV)将会在弹头的“最佳有效点”位置进行撞击。 “最佳有效点”就在弹头有效载荷几厘米宽的区域范围内。
Toachieve complete threat neutralization, the EKV will collide with the warhead’s“sweet spot, ” an area just a few centimeters wide where the missile’s payloadis located.
最简单的支架系统将承受模具的静载荷,且将这些载荷集中在一些载荷点上。
The simplest framing system supports the dead weight of the mold and concentrates it on a few load points.
选取典型线路的载荷谱,根据静强度计算的结果,折算出对应评估点应力幅;
Through choosing typical load spectrum and the results of the static calculation, the stress range of the evaluating point is accessed.
由于移动最小二乘法的近似函数不一定精确地通过计算点,从而使本质边界条件的施加和集中载荷的处理变得复杂。
This is a disadvantage of EFGM as it suffers from problems in the imposition of essential boundary conditions and the application of point loads.
研究了四点弯曲型试件在各种类型载荷作用下的裂纹面位移,并考虑了裂纹尖端塑性区对它的影响。
A crack surface displacement of four-point-bend specimen under three types of loading is studied in this paper.
在低速重载工况下,得出副变速箱箱体结构点的瞬态受力曲线,并以此曲线作为后续瞬态有限元分析的载荷输入。
Then under the low speed condition, the force curves of the bearing were obtained and used as the load for the finite element transient analysis.
为求解其它载荷作用下精密工作台上加工点的位移提供了一种重要的方法。
The method of the displacement calculation is provided for NC precision table under other load.
由于其结构和所受载荷比较复杂,因此本文采用了精度较高的8节点四边形等参数环形单元对模型进行了有效求解。
In this paper, the 8-node quadrangle equal-parameter ring cell whose precision is relatively high, is used to solve the problem effectively, since the its structure and load are comparatively complex.
用少量的短电阻丝的布置方案,实施了五点法传感元件的布置,运用经典模式识别方法实现了载荷定位;
In this study, the monitoring objects are the load and impact in structural of fiberglass complex by adopting PZT and resistance wires as sensors.
回转窑运行中由于轴线偏差,支承载荷分配严重不均,导致支承部件因接触应力过大而产生压溃、剥落和点蚀等现象。
Because of axis line deflection and asymmetric load distribution of rotary kiln, the support parts may break, spall, or erode due to the induced overlarge contact stresses.
本文应用文提出的方法,研究受内点对称支承,在均布载荷作用下的弹性圆板的弯曲。
Using the method proposed by this paper, deals with bending of the uniformly loaded elastic circular plates with internal symmetrical point supports.
文中指出,采用新的波浪设计载荷和腐蚀增量模型,热点应力法可以有效评估边舱折角点的疲劳强度,保证结构在寿命期内的安全。
This paper indicates that the hot stress method could be effective and safe for ship to adopt new wave load model and erosion model.
向心关节轴承在承受载荷时,承载区各点的压应力是不等值的。
When absorbing load, various loaded points of plain radial bearing receive different compressive stresses.
传统的膜应力计算方法比较复杂,而计算研究点承受的外载荷的轴向分量是求解膜应力的关键。
The conventional compution membrane stress method is more complicated, and it is the key about solve membrane stress that compute axial component of external applied load which was studied.
采集不同类型,不同额定起重量起重机一段时间内相应起重量的工作次数数据,以模拟出危险点处相应的载荷谱。
Load spectrum of danger points was simulated by collecting the working frequency of different types of cranes in a period time.
方法:在后牙单种植体支持式义齿上部结构不同载荷点分别施加载荷,以电阻应变法对种植体颊舌两侧组织进行了应变分析。
Methods: Strains of the tissue around the implant were tested and effects of nine load locations were analyzed by resistant strain method.
本文通过四点弯曲试验研究了含脱层的蜂窝夹芯板在纯弯载荷作用下的局部屈曲模式和破坏模式,指出局部屈曲模式是跳跃失稳模式。
The modes of local buckling and general failure for honeycomb sandwich plates under pure bending loads are studied through four-point bending tests.
并以点和直线的斜率举例说明绘制转盘轴承静载荷承载曲线的全过程。
The practical examples of point and line slope are given to show the complete procedure of drawing static load curve of the turntable bearings.
研究了游隙对单排四点接触球转盘轴承载荷分布的影响规律。
The influence law of clearance on load distribution of single row four-point contact ball slewing bearings is researched.
全部软件采用人机对话方式,提出了一种新的载荷峰谷值点求法,最后给出了一个完整的应用实例。
A new acquisition method of load peak and valley points is presented. At last, a complete application example is given.
全部软件采用人机对话方式,提出了一种新的载荷峰谷值点求法,最后给出了一个完整的应用实例。
A new acquisition method of load peak and valley points is presented. At last, a complete application example is given.
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