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mechanical reversing
相关语句
  机械换向
     The dynamic differential equations set is solved by the geo-metric method, and the variation patterns of the motion parameters and dynamic parameters of the unit in a period are de-termined by means of the relevant computer program, and this porovides a basis for the basis for the rational selection of the electricmotor, the design of the mechanical reversing device and the counterbalance buffer.
     采用几何法分段求解动力学微分方程组,由编制的相应计算机程序确定出抽油机在一周期内的运动参数与动力参数变化规律,为合理选择电动机、设计机械换向装置及平衡重缓冲装置提供了理论依据。
短句来源
  机械辅助换向
     Full-Balanced Load-Belt Pumping Unit with Mechanical Reversing Device
     机械辅助换向全平衡式宽带长冲程抽油机
短句来源
     With the mechanical reversing device, the reciprocating motion of the sucker rod string is accomplished by means of energy transformation, and the electric motor can be started at a speed close to the rated speed under the condition of idling.
     机械辅助换向装置通过能量转换和形成力差,实现抽油杆运动的自动换向,使电动机正、反转都能在接近额定转速及空载条件下启动,保证工作可靠。
短句来源
  “mechanical reversing”译为未确定词的双语例句
     Mechanical reversing device for full balanced belt pumping unit.
     全平衡带式长冲程抽油机辅助换向装置
短句来源
     Mechanical reversing mechanism on load-belt long Stroke pumping units.
     宽带长冲程抽油机的机械换向装置
短句来源
  相似匹配句对
     Mechanical English
     机械英语 第四课
短句来源
     Mechanical English
     机械英语(第十一课)
短句来源
     Mechanical reversing device for full balanced belt pumping unit.
     全平衡带式长冲程抽油机辅助换向装置
短句来源
     Reversing engineering is widely used to promote the development efficiency in mechanical engineering.
     逆向工程被广泛应用 ,以提高机械工程的开发效率。
短句来源
     On Application of Reversing Engineering
     浅谈逆向工程的应用
短句来源
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The pumping unit described in this article consists of a frame-mounted mechanical reversing drum. The reversal reducer between the electric motor and the drum serves the functions of speed reducing and periodic reversal. Industrial test of the prototype unit shows that this pumping unit is suited for long-stroke, low-speed and small-output pumping, and has the advantages of small torque, reliable balance and low energy consumption and is light in weight. Owing to the rather low pumping speed, it can not...

The pumping unit described in this article consists of a frame-mounted mechanical reversing drum. The reversal reducer between the electric motor and the drum serves the functions of speed reducing and periodic reversal. Industrial test of the prototype unit shows that this pumping unit is suited for long-stroke, low-speed and small-output pumping, and has the advantages of small torque, reliable balance and low energy consumption and is light in weight. Owing to the rather low pumping speed, it can not meet the requirement of large output production.

齿轮式无游梁长冲程抽油机为机械换向台架式滚筒抽油机。电动机和滚筒之间的换向减速箱,既有减速功能,又有周期换向作用。样机的工业试验表明,这种机型适用于长冲程、低冲数、小排量抽汲,具有扭矩小、平衡可靠、节约电能、重量轻等优点,其缺点是冲数较低,不能适应大排量抽汲。

The working principle of a load-belt long stroke pumping unit with mechanical reverse mechanism is introduced, parameters such as counterweight mass, stiffness and deformation of buffer springs and the tension of flexible belt are analyzed, and an example of calculation is presented.

介绍了机械自动换向宽带长冲程抽油机的工作原理,对其配重质量、缓冲弹簧刚度和变形量、柔性带张力等参数进行了分析和计算,并给出了计算实例。

The full-balanced load-belt pumping unit with mechanical reversing device adopts a main counterbalance and an auxiliary counterbalance with up and down limit buffers instead of the conventional counterbalance. With the mechanical reversing device, the reciprocating motion of the sucker rod string is accomplished by means of energy transformation, and the electric motor can be started at a speed close to the rated speed under the condition of idling. Plant test of a prototype shows that this kind...

The full-balanced load-belt pumping unit with mechanical reversing device adopts a main counterbalance and an auxiliary counterbalance with up and down limit buffers instead of the conventional counterbalance. With the mechanical reversing device, the reciprocating motion of the sucker rod string is accomplished by means of energy transformation, and the electric motor can be started at a speed close to the rated speed under the condition of idling. Plant test of a prototype shows that this kind of pumping unit can satisfy the requirement of long stroke oil pumping.

全平衡式宽带长冲程抽油机采用一种机械辅助换向装置。装置没有附加别的控制机构,只是把通常的整体配重分为主配重和副配重,另外增加了上、下缓冲限位器。机械辅助换向装置通过能量转换和形成力差,实现抽油杆运动的自动换向,使电动机正、反转都能在接近额定转速及空载条件下启动,保证工作可靠。CYJD14—8—37HZQ全平衡式宽带长冲程抽油机样机的厂内试验表明,反向启动电流在单边载荷为44.76kN时仅为额定电流的1.5倍,在连续运转条件下电动机温升不超过60℃,能满足长冲程抽油要求。

 
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