查询词典 hydraulic pressure

Hydraulic conditions and water balance conditions Generally heating, air-conditioned closed loop pipe network are all pipe network, and its hydraulic system condition is the pressure point, the pipe flow, pressure.

二、水力工况和水力工况平衡一般地说供热、空调的管网都是闭路循环的管网，其水力工况是指系统各点的压力，各管段的流量、压差。

DEPRESSURIZATION VALVE, A valve in the hydraulic system for decreasing hydraulic reservoir air pressure to ambient pressure.

减压阀，在液压系统中，将液压油箱空气压力减至与周围环境压力相同的活门。

Incompressible hydraulic fluid is liquid, so the use of hydraulic oil pressure can not accumulate energy, we must rely on other media to conversion, the pressure can be accumulated.

液压油是不可压缩液体，因此利用液压油是无法蓄积压力能的，必须依靠其他介质来转换、蓄积压力能。

Semi-automatic balers: hydraulic-driven models are used, choose manual or automatic operation of PLC; hydraulic pump output oil pressure up to 21Mpa (210Kg/cm), oil cooling system with heat exchanger air cooling; installed without bottom feet screw, only the machine placed in the ground formed a good level of adjustment can be used; strapping manually adjust the length, packing for the manual form, the package automatically push out the package for the direct form; body organizations to adopt quality carbon structural steel welding system, base bottom and front gate feed additional wear plate to ensure durability; moving blade (V type SKD-11 resistant steel knife); push pressure from 100 to 250 tons with four levels, productivity, 4 tons / hour; charging box size and mass, shape and size can be customized according to user specifications and design materials.

半自动打包机：机型均采用液压驱动，可选择手动或PLC自动控制操作；油压泵输出油压最高达21Mpa（210Kg/cm，系统油液冷却采用热交换器风冷却；安装无须底脚螺丝，只须把机器安放在平整地面调校好水平便可使用；捆包长度为手动调整，捆包为手动形式，出包为直推自动出包形式；机体机构采用优质碳素结构钢焊制，机座底部及前方进料闸门附加耐磨钢板确保经久耐用；活动式裁刀（V型式SKD-11耐磨钢刀）；推压力从100吨至250吨有4个等级，生产率4吨/小时左右；加料箱尺寸和包块形状尺寸可根据用户原料规格设计定制。

Its main products: multifunctional cold hydraulic riveting machine, four-post guided presses, clutch pressure plate assembly machine, T8360A/60B (T8366)-type brake hub boring machine, electro-hydraulic brake shoe voted riveting machine, multi-purpose hydraulic Cold riveting clamp, the wild-type multi-function axle casing tension and compression device, GCD-I-type beam positioning, such as the standard wheel hydraulic±è±.

其主要产品：多功能液压冷铆机、四柱导向压力机、离合器压盘组装机、T8360A/60B(T8366)型制动毂镗床、电动液压制动蹄片投铆机、多功能液压冷铆钳、野外式多功能半轴套管拉压器、GCD-I型光束水准车轮定位仪等液压汽保设备。

Profile: Scrap shearing machine, hydraulic Da Baoji metal, metal shavings pressure pie machine, pressure plate-bending machines, automatic paper Da Baoji, conveyor chain plate and various presses, hydraulic, accessories And so on.

专业生产：废钢剪切机、金属液压打包机、金属屑压饼机、弯板压平机、全自动废纸打包机、链板式输送机及各种压力机、液压油缸、配件等。

Then, the method to estimate cavitation erosion characteristic of high pressure piston plunger pump by analyzing impingement angle on outlet of throttling groove is put forward. That is, to hold the impingement angle range of 30°～60°as appraisal criterion of cavitation erosion characteristic on high pressure hydraulic plunger pump.4 The throttling characteristic of hydraulic control valve is studied by CFD calculation and experiment.

最后，提出了一个通过分析节流槽出口处的射流方向来评价高压轴向柱塞空蚀特性的空蚀评价方法，即将节流槽出口的射流角范围30°～60°作为评价高压轴向柱塞泵空蚀特性的标准。4对液压控制阀的节流特性进行了CFD数值计算和试验研究。

The hydraulic anti-sway system consists of anti-sway drums, anti-sway steel cable, hydraulic rams, hydraulic pump station and pulley block. The system can be controlled by two different pressure hydraulic circuits and absorb load swing energy.

液压油缸式减摇系统由减摇卷筒、减摇钢丝绳、液压油缸、液压泵站和滑轮组等组成，通过2个不同压力的液压回路进行控制，从而吸收吊重摆动的能量。

The system is mainly used for 140 horizontal continuous casting machine power plant, control of the working point tank movements, As the system configuration on a level of temperature, pressure relay (HED10A20), the solenoid valve, valve, safety valve, and so can the system oil temperature, pressure and other remote control and compact design of the structure, convenient operation and reliable performance, energy conservation is SLD-140 horizontal continuous casting machine hydraulic devices supporting the ideals of hydraulic equipment.

该系统主要用于140水平连铸机的动力装置，控制各工作点油缸动作，由于该系统配置有液位液温器、压力继电器（HED10A20）、电磁阀、溢流阀、安全阀等，因此可对系统的油液温度、系统压力等实现远程监控，其结构设计紧凑、操作方便、性能可靠、节约能源是SLD-140水平连铸机液力装置的理想配套液压设备。

If an over-pressure situation becomes evident in the hydraulic fluid i.e. due to a closed discharge sluice valve, the excess-pressure safety valve will open, thus relieving hydraulic fluid

如果液压油系统出现明显超压现象时，即由于出口阀门关闭的原因，超压安全阀开启，从而将液压油

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。