液压器

Back-up Wrench Group 背钳组 Offered as an option and mounted to the Top Drive Gear Box is a Hydraulic Back-up Wrench Assembly.

被提供作为一选件而安装在顶驱齿轮箱的是一套液压背钳总成，背钳包括一套液压开动的震击器和一条液压伸缩的腿，同时安装在大钳底部的是扶正喇叭口。

Its performance determines the security and cosiness of train. With the advancement of railway'speed, the self-made hydraulic damper can't satisfy the requirement of high performance hydraulic damper.

由于铁路的提速和城市轨道交通的迅速发展，凸显出对高性能液压减振器的需求，但国内生产的液压减振器还不能满足这种需求，这种状况是由于减振器试验设备落后造成的。

The design methodology and structure of hydraulic booster test stand are presented on the basis of analysis of the operation principle and parameters of the hydraulic booster used in the steering system of DFH1002/1202 crawler tractor.

文摘：在对东方红1002/1202履带拖拉机转向用液压助力器的工作原理和技术参数分析的基础上，阐述了该液压助力器试验台的设计方法和基本构成。

Is the manufacturer QJM Series Hydraulic Motor, YLM Series Hydraulic Motor, YD series hydraulic transmission device, YH Series Hydraulic gyrator, YJ Series Hydraulic Winch professional company with one support high-quality professional technical team.

宁波市北仑天鼎液压有限公司是全国制造QJM系列液压马达，YLM系列液压马达，YD系列液压传动装置，YH系列液压回转器，YJ系列液压绞车的专业公司，拥有一支高素质的专业技术队伍。

In this dissertation the analysis of the hydraulic rock breaker and rock drill at home and abroad leads to an return oil chamber of a new hydraulic impactor.

液压冲击器是液压凿岩机和液压碎石机主要执行机构，设计的好坏直接影响到液压凿岩机和液压碎石机的性能。

When pilot indirectly controls rudder, strengthener of hydraulic pressure balance load force on the rudder.

当飞行员通过助力器间接操纵舵面时，作用在舵面上的负载力由液压助力器平衡，在飞机上，飞行员在操纵机构握点或脚蹬处感受到的力是采用弹簧或液压载荷机构及调整片效应机构来模拟的。3。

In order to decrease the loss energy, a new kind of sleeve valve of hydraulic impactor is designed. It takes the technical measure of cone valve and optimum unequal polite of valve. The sleeve valve has features of little leakage, little pressure loss and low energy cost.

为了降低能源消耗，研制了一种新型的液压冲击器配油阀，该阀采用锥阀阀口形式和优化的不等阀开口量技术，使配油阀泄漏量小，阀口压力损失小，换向运动能耗低，液压冲击器效率高。

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。

Designing the system schematic diagram explained the work principle of the hydraulic pressure synthesized test platform; According to the design of hydraulic pump, hydraulic valve, drill tubing choice and the computation, determined the model and the size of the hydraulic pressure part; In order to improving the consummation system, this article also carried on to test the system pressure loss and temperature increment; In addition, through the system calorific capacity computation, completed to choose the heater and the chiller ; Through designing the belt transmission and the axis structural, this article completed to the design of pumping station.

通过对系统原理图的设计，说明了液压综合试验台的工作原理；根据对液压泵、液压阀、油管等液压元件的选择和计算，确定了所需液压元件的型号及尺寸；为了改进和完善系统，本文还对系统压力损失和发热温升进行了验算；此外，通过对系统发热量计算，完成了对加热器和冷却器的选择；通过对带传动设计和轴的结构设计、校核，完成了对泵站的设计。

Designing the system schematic diagram explained the work principleof the hydraulic pressure synthesized testplatform; According to the design of hydraulic pump, hydraulicvalve, drill tubing choice and the computation, determined themodel and the size of the hydraulic pressure part; In order toimproving the consummation system, this articlealso carried on to test the system pressure loss and temperatureincrement; In addition, through the system calorific capacitycomputation, completed to choose the heater and the chiller ;Through designing the belt transmission and the axis structural,this article completed to the design of pumping station.

通过对系统原理图的设计，说明了液压综合试验台的工作原理；根据对液压泵、液压阀、油管等液压元件的选择和计算，确定了所需液压元件的型号及尺寸；为了改进和完善系统，本文还对系统压力损失和发热温升进行了验算；此外，通过对系统发热量计算，完成了对加热器和冷却器的选择；通过对带传动设计和轴的结构设计、校核，完成了对泵站的设计。

The medicinal plant resources of Gentianaceae in Sichuan Province.

四川省龙胆科药用植物资源。

"Some fortuneteller," scoffed the man, I'm the father of THREE children.

" "一些算命"，嘲笑他，"我的父亲有三个孩子。