停止发动机，释放液压系统的压力。
Stop the engine and release the pressure in the hydraulic system.
本文在实验研究的基础上对超声波检测液压系统的压力参数进行了理论分析并建立了实用的数学模型。
This paper establishes the mathematics model and carries out theory 's analyses for measuring pressure of hydraulic system by ultrasonic based on examinations.
由于液压系统的压力值通常是动态的，有时会出现冲击压力，冲击压力峰值会大大高于系统的最高压力值。
For the hydraulic system's pressure always be dynamic, there often appears an impact pressure; the maximum impact pressure is much higher than the maximum system pressure.
压力阀是用来控制液压系统的压力和防止油泵及执行元件的过载。根据功能可分为溢流阀、减压阀、顺序阀、卸荷溢流阀等。
Pressure control valves are used for controlling the pressure in a hydraulic system and protect its hydraulic pump and actuators from over-load.
通过对液压系统中产生压力脉动的机理分析，介绍被动滤波和主动滤波两种降低压力脉动的方法。
By analysis mechanism of the pressure pulsation for hydraulic system, introduced two methods, the passive filtering and the active filtering, to decrease pressure pulsation.
液压系统采用了先进的二通插装阀系统、进口高性能的电子泵技术，实现了主缸压力与流量的双闭环控制；
The press takes use of advanced two-way cartridge valve system and imported electric pump technology which can realize double closed loop control of pressure and flow rate.
在液压系统中用于储存能量或在某些情况下用于减弱压力波动的一种装置。
A device used in a hydraulic system to store energy or, in some applications, dampen pressure fluctuations.
本文描述了一种测量压力传感器系统频响用的正弦液压发生装置。
A sinusoidal fluid pressure generator for measuring the frequency response of pressure transducer system is presented.
介绍了乳化液泵采用二级压力控制的液压系统及节能效果分析。
This paper introduces the hydraulic system of emulsion pump using towstep pressure control, analyses its energy conservation effect.
设计了一种基于压力流量复合控制的盾构推进液压系统。
A thrust hydraulic system of shield tunnelling machine integration of pressure and flow control was designed.
改造后的液压系统流量充分、压力稳定、动作迅速，且调整和维修保养方便，故障率低。
The transformed hydraulic system has abundant flow capacity, stable pressure, swift motion and low failure rate and it is convenient to adjust and maintain.
因此该系统与利用滑板缸有杆腔的液压力的方案相比，液压力得到了充分的利用，另外通过采用自锁型顺序阀，减少了能量损失，使得系统的效率得到了提高。
So the system can fully utilize the hydralicpower, otherwise the use of the lock sequence valve reduces the loss of energy, and improves the efficiency of the system.
它采用可编程控制器(PLC)作为系统的运算控制核心，利用液压式压力发生器，实现了测量点处无电气量。
It utilized hydraulic press transducer and adopted PLC as the core of the system, which realized no electrical quantity at measure point.
它的液压系统能令它处理大压力。
The hydraulic system is well-designed that it can handle great pressure.
通过试验得到了输出位移曲线和压力曲线，同时较详细地讨论了影响液压伺服系统压力跃变的主要因素。
The displacement curve and pressure curve of outputting were got through test, the influences on servo hydraulic system about pressure jump were discussed in detail.
设计中增加了液压油冲洗回路、压力滤油器和压力切断装置，解决了静压传动系统应用设计中的问题。
Hydraulic oil flush return circuit, pressure filter and pressure breaking device are added to the systems, solving the problems in design and application of hydrostatic transmission systems.
自动蓄能器系统能够使蓄能器工作压力自动保持在设定的范围内，在汽车起重机液压系统中获得广泛应用。
The automatic accumulator system can automatically maintain the working pressure of the accumulator in specified range and is widely applied in the hydraulic system of truck cranes.
这种长度测量系统利用四辊轧机液压微调计算机厚度控制系统的压力检测信号，作为咬钢和抛钢识别信号。
The system takes the pressure signal of hydraulic micro-adjust of the four rollers mill for signal of steel plate entering into rolling mill and signal of steel plate out of rolling mill.
在分析水下环境压力对水下液压系统产生影响的基础上，说明了对水下设备液压系统进行压力补偿的必要性。
Based on the analysis of influence of underwater ambient pressure upon underwater hydraulic systems, the necessity of pressure compensation for underwater equipments' hydraulic systems is stated.
本文分析了液压系统流量、压力脉动与噪声的关系，对系统的流体噪声产生与传播进行了一些探讨；
This paper has analyzed the relationship of flow, pressure pulsation and noise in hydraulic system, and has inquired into generation and propagation of fluid noise in the system.
车辆液压动力转向系统通过伺服阀控制压力油的方向和流量，把转向盘输入的转角信号转变为车轮的偏转角度输出。
Vehicle power steering systems control direction and flow of pressure oil with servo valves, then transfer angular inputs from steering wheels to corner angular outputs of road wheels.
最后，给出了采用迭代学习PID控制器时，液压机滑块位移与系统压力的仿真曲线以及实际应用时的采样曲线。
At last, the simulating and sampling position and pressure curves of the hydraulic system with the iterative learning PID controller are presented.
为了对液压设备中的速率、压力、流量等参数进行在线检测，我们自行设计了一套液压工程综合采集系统。
A integration collection system of hydraulic engineering system is developed in order to check on line the parameters such as velocity, pressure, flow-detecting and so on in hydraulic facilities.
压力不足是液压系统常见的故障之一，故此讨论了常见的液压系统压力不足的几个原因。
This paper is designed to dig into the causes for the lack of pressure in hydraulic pressure system, which is common failure in this system.
同时，本文对整个液压系统回路进行了设计及其对管路系统压力损失、液压系统的温升进行了验算。
At the same time, the thesis design all hydraulic pressure system loop and checking computation the pressure losing in pipeline system, the changing temperature of hydraulic pressure system.
设计了一种基于压力流量复合控制的盾构推进液压系统，对液压缸进行了分组控制。
A thrust hydraulic system of shield tunnelling machine with pressure and flow compound control was designed, and hydraulic cylinders were also controlled in groups.
介绍液压系统中压力损失的原因以及压力损失的种类和计算。
The article analyzes the cause of pressure loss in hydraulic system and relevant classification and calculation of pressure loss.
本文所研究的快速液压系统，应用于数控回转头压力机在国内尚属首次。
The fast hydraulic system studied in the paper is applied in the CNC turret press in our country for the first time.
本文所研究的快速液压系统，应用于数控回转头压力机在国内尚属首次。
The fast hydraulic system studied in the paper is applied in the CNC turret press in our country for the first time.
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