液压

This paper we introduce a new hydraulic pump and motor bedstand ,which is mainly used for testing hydraulic pump and motor.

本文介绍了一种新型液压泵、液压马达实验台，主要针对工程机械行业使用的油泵油马达进行试验。

This paper we introduce a new hydraulic pump and motor bedstand ,which is mainly used for testing hydraulic pump and motor.

本文介绍了一种新型液压泵、液压马达实验台，主要针对工程机械行业使用的油泵油马达入行试验。

Fracturing of mineralization stage is found mainly concentrated in the early quartz veins or the hydrofracturing breccia in the sandy tectonic lenses, the lens-like orebody mainly consisting of the cataclastic quartz veins and hydrofracturing breccia form.

成矿阶段的破裂主要集中在砂岩构造透镜体中早期石英脉或液压角砾岩上，形成以碎裂石英脉及液压角砾岩为主要矿化母岩的透镜状矿体。

Its operating principle is that electric energy is changed into mechanical energy by drive unit, then the liquid in the cylinder body forms high and low pressure to drive piston up by impeller circumrotation, so vertical motion is changed into wagging of brake arm by leverage and declutch is completed. This product has passed the experiment test by National Quality Supervise Administration and every technical criterion is accorded with national trade standard.

电力液压块式制动器包括电力液压推动器和块式制动架两部分组成，其工作原理是通过驱动装置的电能变成机械能，通过叶轮旋转，使缸体内液形成高低压腔推动活塞向上运动，从而通过杠杆机构将垂直运动转变成制动臂的左右摆动、完成松闸。

The research on the precision of synchronizing control system of hydraulic 4-roller crimper that combines common electromagnetic value with mechanical reacting amplification mechanism and the methods to solve the problems of cylinder synchronous running havebeen performed.

论述了W12—25×2000型液压四辊卷板机的同步控制系统改进过程中遇到的问题及研究解决方法，介绍了采用普通电磁换向阀配以机械反馈放大机构解决液压四辊卷板机同步运动的控制精度问题。

Through solving some technical difficulties,such as the rubber compatibility,odor of oil,storage stability,oxidation stability,as well as the imbalance among the anti-wear property,demulsibility and anti-rust property,the high-viscosity low-temperature hydraulic oil with above excellent properties was developed.

解决了液压油的抗磨、抗乳化与防锈性等相互矛盾的技术难题和油品的抗剪切、橡胶相容性、油品的气味和储存稳定性、氧化安定性等关键问题，研制出了具有优良粘温性、抗磨性、抗剪切性、防锈性、储存安定性、氧化安定性、高闪点、低倾点、基本无气味的高粘度低温液压油。

Valve element clutch of hydraulic diverter valve is one of many Malfunction of Hydraulic control system. In severe cases , it may be lead to accidents.

摘 要：液压换向阀卡紧是液压系统常见的问题，严重时甚至会可导致事故。

Top quality hydraulic pump with welded construction,Hard chrome plated pistion and pump plunger ensuer durability and corrosion resistance .

液压缸体用优质钢焊接而成，活塞式液压泵活塞杆、泵芯镀硬铬，耐磨、耐腐蚀。

This paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real-time or remote distance,the basic project,structure,applications and functions of computerized SCADA system in hydraulic system of vessel gate is introduced.A double layer network structure,Epigynous and hypogynous machine network,is applied to this system.In accord with the application of technique such as PLC,integrated software etc,this paper introduces the methods and application to achieve the computerized SCADA system in the task,and analyzes the characteristic of this system.

另外，本文提出了建立船闸控制系统的分布式控制系统，介绍了船闸液压控制系统的计算机监控系统的方案、结构、应用和主要功能，采用双层网络化结构：上位机网络和下位机网络，并结合PLC通信网络技术和组态软件等技术构成的计算机监控系统的实现方法，实际应用，分析了这种较新的系统模式在船闸液压控制系统的计算机监控系统的功能实现中所具有的特点。

In this paper, four evaluation indexes was brought out to evalue the two kind of hydraulic grapples produced in domestic factory, and four series of that produced by FISKARS was appraised either.

对于液压抓具的性能评价，文中提出了4个评价指标，并利用它对两种国产抓具与FISKARS公司的四个系列的液压抓具进行了评价。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。