Simulation of Hydraulic Reversing System and Research of Pressure Switching Device of Concrete Pump 混凝土泵液压换向系统仿真与高低压转换装置的研究
Performance analysis for automatic reversing system of hydraulic grouting pump 液压注浆泵自动换向系统性能分析
A Research on the Hydraulic Shock Caused in the course of Reversing in the Cylinder Pump Circuit 泵&缸式液压回路换向时液压冲击的研究
Effects of Reversing Valve on Residential Heat Pump System Performance 四通换向阀对家用热泵空调系统性能的影响
The stroke reversing of the hydraulic drive reciprocating pump is controlled by the PC, which simplifies the electrical lines, enhances the controlling flexibility, and possesses the peculiarities of high controlling precision, good reliability, convenient maintenance and debugging as well as alterable programming. 液压驱动往复泵的行程换向由PC控制,简化了电气线路,增强了控制的柔性,并具有控制的精度高、可靠性好、维护调试方便、程序可变等特点。
Application on Liquid Reversing Sealing Device for Sewage Pump in Oilfield 流体反输型密封在污水泵上的应用
Research on the Reversing Impact of Main Pumping Loops of a Concrete Delivery Pump 混凝土输送泵主泵送回路换向冲击问题研究
The proportional variable pump system made up with electrohydraulic proportional reversing valve and axial variable pump is a new kind of hydraulic dynamic structure. 由电液比例换向阀和轴向变量泵组成的比例变量泵系统是一种新型液压动力机构。
New Type Automatic Reversing of Controlling Technology about Hydraulic Mud Pump 新型液压泥浆泵自动换向控制技术
Measurement and Conversion of Four-Way Reversing Valve Capacity in Heat Pump System 热泵型空调器四通换向阀容量的测定及换算
The paper analyzed the root causes for the reversing impact of main pumping loops of a concrete delivery pump and put forward three solutions. 针对混凝土输送泵主泵送回路换向冲击问题,深入分析和研究了产生换向冲击的根本原因,并提出了3种解决方案。
Automatic Reversing Mechanisms of Serial Reciprocating Pump 直动往复泵自动换向机构
Compare to single-refrigerator air-condition, 4-way reversing valve is a key item in heat pump air-condition. 热泵型空调与单冷空调相比,关键的零部件在于四通换向阀。
The system uses distributed power supply system, include switch power supply and analog power supply, analog power is mainly responsible for sensor signal acquisition, switching power is responsible for industrial computer, reversing valves and injection pump. 系统采用了分布式的电源供电系统,由开关电源和模拟电源组成,模拟电源主要负责为传感器信号采集电路供电,开关电源为工控机、换向阀和注射泵供电。
Furthermore, the reversing valves and reversing controller was selected. Finally, the system performance of the water hydraulic driving double action water injection pump was analysed in detail and the mathematical model was established. 此外,对换向阀与换向控制器做了选型。最后,详细分析了水液压驱动双作用注水泵的系统性能,建立了数学模型,并设计了仿真程序。
This pumping unit is made up of supporting frame, ratchet reversing gearbox, touch the pump body, make way for agencies, balance weight protection, brake mechanism. 该抽油机的主要组成结构包括机架,棘轮换向减速箱,碰泵机构,让位机构,平衡重保护装置,刹车机构。
The research of the reversing impact of open hydraulic reciprocating pump system. 液压驱动往复式柱塞泵开式系统换向冲击研究。
A reversing system experimental platform of S pipe valve of concrete pump is built. 搭建混凝土泵S管阀换向系统试验平台。
For heat pump system, reversing valve is indispensable to achieve the switch between cooling and heating conditions. However, the existence of reversing valve leads to inevitable performance loss to the heat pump system. 热泵型空调中均需安装四通换向阀,以实现空调制冷工况和制热工况的转换,但四通换向阀的存在会导致热泵系统的性能损失。