液压

This paper presents the expressions of energy consumption in two types of blank holding: the conventional hydraulic cushion and cushion-compensating cylinder in single-action deep-drawing hydraulic press,and shows through comparison that the energy consumption in the latter one is far less than that in the former one.

用能量法推导了单动拉深液压机的两种压边方式即传统液压垫压边方式和液压垫—补偿缸压边方式的能量损耗表达式，以此为基础对两种压边方式产生的能量损失进行比较，结果表明后者远小于前者。

Our products mainly include all kinds of electric and hydraulic windlass and capstan used in oceanographic ship,all kinds of electric,hydraulic and pneumatic crane,crooked arm crane,telescopic crane,oil davit,wave compensate crane,electric hoist cantilever crane and so on,and steering gear,block,boat landing equipment,elevator for kitchen,pulling equipment for oil tanker in an emergency and other deck.

本公司的主要产品有各种船用、平台用电动、液压、气动起重机、折臂吊、伸缩吊、输油管吊、波浪补偿吊、电动葫芦悬臂吊、各种船用电动、液压起锚机、绞盘、系泊绞车，以及起艇机、艇架、艇筏降落装置、厨房升降机、油船应急拖带装置等船舶甲板设备。

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。

A radial plunger type diffluence motor is used to distribute hydraulic oil to ensure amount of inlet oil is basically equal to that of outlet oil for each servomotor hydraulic cylinder.

分流马达采用径向柱塞式，对液压油进行分流，以保证每个接力器液压缸进出油量的基本相等。

They do not require an external hydraulic pump or tubing, but operate by moving hydraulic fluid from one side of a double-acting cylinder to another.

它们不需要外部液压泵或管，但经营，从一个一个双作用液压缸端到另一个。

The method can achieve good compensation results with the fluctuation of dynamic friction parameters.

然后利用所提出的辨识方法对实验室中的液压仿真转台外框的LuGre动态摩擦模型进行了辨识，以方便液压仿真转台动态摩擦特性的分析和补偿。

Is a new high-tech enterprise, we bend ourselves on sales and service for hydraulic and electrohydraulic components and systems.

集力液压机电有限公司是在新的市场经济条件下成立的工贸一体化新兴高科技企业，主要致力于液压及电液元件和系统的销售和维修服务。

It can change the ratio of the transmission system by adjusting the pushing force of the pulley.By analyzing the structure characteristics and force relations,the design method of an important parameter of the CVT hydraulic system and the rate of transmission ratio,are put forward by simulating to the emblematical driving models.The structure parameters of the hydraulic ...

在分析了金属带式无级变速器的结构特征和力学关系的基础上，通过对汽车典型行驶工况的仿真分析，提出了无级自动变速液压控制系统关键参数—速比变化率的设计方法，完成了液压系统的结构参数设计，并进行了仿真验证，从而为无级自动变速汽车的研制开发奠定了基础。

Abstracts: MMB1320B-type cylindrical grinder applies hydraulic pressure Systematic and electricity-control-mode drive to realize the motion of the working table and emery wheel rack.. This article improves the method of electricity control and uses PLC soft ware instead of a large amount of centre relay and time relay of relay control system to realize the control of hydraulic pressure so that we can save energy and enhance efficiency.

摘 要： MMB1320B 型外圆磨床采用液压系统和电气控制方式驱动以实现工作台和砂轮架的动作，本文对其电气控制方式加以改造，用 PLC 软件取代继电器控制系统中大量的中间继电器、时间继电器等以实现液压系统的 PLC 控制，从而达到节能增效的目的。

4Design of the hydraulic pressure system Hydraulic system is a very important part in this thesis ,the design of it here not only ensures the rationality 、equipoise and stability of the motion of the slipway ,but also satisfies the requirements of different work environment .

液压系统是本次设计的重要环节，本次的设计中液压系统的设计既要保证工作台的运动的合理、平衡和准确，又要满足工作要求。

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。