从系统的观点出发，建立了基于转阀控制的液压三缸往复泵的系统动力学模型。
From the viewpoint of the systems, we establish dynamics model based on the hydraulic reciprocating pump based on control of rotary valve to drive triplex reciprocating pump end.
针对三缸往复泵测量信号非平稳时变特点，研究了用小波消噪方法提取反映往复泵动力端状态的振动波形特征。
With a view to time_varying characteristic of the vibration signal measured on triplex reciprocating pump, an approach on the waveform feature extraction which reflects th...
针对以上要求，目前广泛使用的是三缸单作用往复泵（简称三缸泵）。
Now, the drilling pump widespread in use is the tri-cylinder pump.
对于三缸低波动往复泵，理论上应使三个活塞在排出行程（吸入行程）中的速度之和为一常数，采用凸轮机构能达到这一目的。
Theoretically the sum of the velocities of the three pistons on the discharge stroke in a low-fluctuation triplex pump should be a constant, and this can be achieved by means of the cam mechanism.
荣利泥浆泵为三缸单作用往复泵。
Rongli Mud pump belongs to the modern triplex single acting reciprocating pump.
荣利泥浆泵为三缸单作用往复泵。
Rongli Mud pump belongs to the modern triplex single acting reciprocating pump.
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