Aimed at the widely use of hydraulic operated check valve in hydraulic powered support,the flow field of the 2-D is investigated using the Flurnt computational fluid dynamics(CFD) software package.
运用CFD软件Fluent对液压支架中广泛应用的液控单向阀进行数值模拟,对简化为轴对称的二维流场模型进行仿真,得出阀腔内速度场、压力场,并对阀芯上液动力进行计算,得出该阀所受稳态液动力的大小,为此类阀的优化设计提供了参考依据。
Hydraulic support is the key equipment of the synthetical mechanized coal mining, and in hydraulic support system, hydraulic operated check valve is one of crucial hydraulic components.
液压支架是综合机械化采煤关键设备,而液控单向阀是液压支架系统中关键液压元件之一,其性能直接影响着整个综采工作面的可靠性及安全性。
This article introduces the work mechanism of hydraulic operated check valve,category and cautions about how to use it,and also gives some examples of how to operate it appropriately to avoid accidents.
介绍了液控单向阀的工作原理、类别及应用注意事项,对正确使用液控单向阀避免事故的发生进行了举例说明。
In this paper,vibration reasons of balancing circuit composed of pilot sequencing valve and pilot check valve are analyzed respectively.
本文分别对液控顺序阀以及液控单向阀组成的平衡回路的振动原因进行了分析,指出液控阀控制油压力波动及系统回油路背压过高是引起振动和冲击的原因,给出了消除平衡回路振动的具体措施,为液压平衡回路的正确设计和使用提出了有益的建议。
Operating course of the Pilot check valve used in the hydraulic hammer isin troduced.
介绍了液压锤用液控单向阀的工作过程，分析了这种阀在系统中的动力学关系，应用仿真技术得到了这些动态力的理论值，并阐述了设计这种阀的一般规律。
Research on pressure releasing dynamic simulation of hydraulic controlled single valve based on AMESim;
基于AMESim的液控单向阀卸载动态特性仿真研究
Aiming at the problem of "work in rod side is right, but get stuck in bore side" during debugging in automatic thermometry sampler hydraulic system of LF/VD at Jigang, the system principle is analyzed, then the big resistance of hydraulic controlled single valve are thought the main cause.
针对济钢炉外精炼系统-VD自动测温取样枪装置的液压系统调试过程中存在的"有杆腔工作顺利,无杆腔工作卡死"问题,进行系统原理分析,认为液控单向阀阀芯阻力大是主要原因。
This text points out the design mistakes for hydraulic one-way valve in hydraulic pressure system is easy to take place.
作者指出液控单向阀在液压系统设计和运行中容易出现的错误,列出了正确和错误的对比。
The Research of Pilot-operated Check Valve With Slow Impulse for Hydramatic Supports
液压支架用缓冲式液控单向阀的研究
Fluid control valves also known as one-way pressure valve closed valves or insurance, with the same one-way valves to prevent reverse flow of oil.
液控单向阀也称闭锁阀或保压阀，它与单向阀相同，用以防止油液反向流动。
Fluid control one-way valve used cone disc, sealed a good performance.
液控单向阀采用锥形阀芯，因此密封性能好。
Discharging Mode Selection of Hydraulic One Way Valve Controlled Pressure-holding Circuit
液控单向阀保压回路的释压方式选择
Visual Analysis of Tri-dimensional Flow Characteristics of Hydraulic Controlled Check Valve
液控单向阀三维流动特性可视化分析
Dynamic Unloading Simulation and CFD Numerical Simulation of Hydraulic Operated Check Valve;
支架液控单向阀卸载动态仿真和CFD数值模拟
Fluid leakage control one-way valves control the manner of oil and oil-leaking Type II species.
液控单向阀控制油的泄漏方式有内泄式和外泄式二种。
hydraulically operated direction control valve
液压操纵的方向控制阀
ball check valve
球形止回阀（附有球阀和阀座的阀门,液体只能单方向通过）
Check valves or as a one-way valve. For the hydraulic system to prevent reverse flow of oil flow.
单向阀又称止回阀或逆止阀。用于液压系统中防止油流反向流动。
dual way check valve
双向止回阀（双通单向阀）
flow dividing valve
分流阀（单一液流按一定比例自动分成两个支流的流量控制阀）
Design Main Control Valve and Single Rod Symmetrical Cylinder for New Kind Hydraulic Elevator;
新型电梯主控阀与单出杆对称液压缸的设计
Optimization of Structure Parameters and Experimental Validation of Hydraulic Control Directional Valve in Differential Type
差动式液控换向阀结构参数的优化匹配
Represents various traps. Trap type can be specified.
表示各种单向阀。可指定单向阀类型。
The hoisting mechanisms can be controled independently through the controlvalve.
主、副卷扬通过换向阀的控制，可单独操纵。
However, the need for oil flow in hydraulic circuit reverse flows can use hydraulic control, opening a one-way valve, so that the flow of oil can flow in both directions.
但在液压回路中需要油流反向流动时又可利用控制油压，打开单向阀，使油流在两个方向都可流动。
marine hydraulic control balance valve
船用液压控制平衡阀