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fluid drive 【機械工程】液壓傳動。

fluid extract

The structure and craftwork of gear pump is the most simple among the other hydraulic pump , and the aspects of its price , dependability , life - span , anti - contaminativity , self - absorb ability have more strong advantage too , so gear pump are used widely in fluid drive and cybernetic technology , such as lathe machine , light industry , agriculture , metallurgy , mining , building , ships , airplanes , cars , petrochemical machine and soon on . but gear pump also have some defects , the strong flow and press pulse , the low of dynamic capability , the high noise , the unchangeable output 齒輪泵的結構和工藝在各類液壓泵中最簡單,并在價格、可靠性、壽命、抗污染以及自吸能力等方面都有很強的優勢,因此在液壓傳動與控制技術中,齒輪泵的應用占很大的比重,它廣泛應用于機床、輕工、農林、冶金、礦山、建筑、船舶、飛機、汽車、石化機械等機械產品的液壓系統中。但齒輪泵也有不少缺點,主要是流量和壓力脈動較大,動態性能差,噪聲較大,排量不可變,高溫效率較低。

The main research subjects in the paper is as follows : 1 . on the basis of analyzing and improving the dramatic characteristic of fluid drive system of the platform , designing the computer control system of the electro - hydraulic servo control system , and programming the main control program which control the platform . at the same time , filtering signal 論文的主要內容如下: 1 .在分析和提高模擬平臺液壓驅動系統動態性能的基礎上,對模擬平臺電液伺服控制系統進行計算機控制系統設計,編制了主控制平臺運動的主控制程序,并對控制系統進行信號濾波。

On the basis of improving the dramatic characteristic of fluid drive system of the platform , the electro - hydraulic servo control system of simulating platform is designed , and its characteristic is analyzed , and the corresponding control algorithm is studied in this paper . what all do is in order to make the platform of ship motion simulating simulate the motion of ship , and realize the high precision motion pose of the platform , and achieve the motion performance index required by the testing of sea sickness 在提高平臺液壓驅動系統動態性能的基礎上,本文進行了模擬平臺電液伺服控制系統的設計、特性分析和控制策略研究,使該模擬平臺能模擬船舶運動,實現高精度的平臺運動姿態,達到暈船病測試所需的運動環境性能指標。

It is very important to the design of detonator and the control on the producing and testing of detonator that a measurement system is established which can test the detonator output economically , conveniently , exactly and quantitatively or relative quantitatively . m this paper , based on the analysis of the measurements on the detonator output at the domestic and foreign research filed , the new measurement system that can measure the detonator output dynamically is confirmed inosculating the several advanced technologies such as fluid driving , sensor and the data collecting and processing 建立一套能夠經濟、方便、無污染、準確、定量或相對定量的測量雷管輸出威力的測試系統對于雷管的設計以及雷管生產和檢驗過程的控制具有十分重要的意義。本文在分析了國內外測量雷管輸出威力方法的基礎上,提出了融合液壓傳動、傳感器及數據采集處理等多學科先進技術且能夠動態測量雷管輸出威力的油壓應變測試系統。

A reasonable choice among the factors affecting on the fluid drive system are made , established the static and dynamic mathematical models system by mean of the power bond graphs . on the basis of modifying the original digital simulation program , the digital simulation study is made 對系統的各元件進行了詳細的分析、依據系統工況要求和元件在系統的功用對其模型進行了合理的取舍;遵循功率流向,采用先進的功率鍵合圖?狀態空間法技術建立了系統的靜、動態數學模型。

The forward axis and the back axis use a uniformity fluid system . except the motors and the pipelines of the two system , the others parts are consisted of a single mobile power station . this is a one advantage of fluid drive system comparing to mechanical drive system 壓榨機頂輥采用單獨的一套液壓系統,前后輥合用一套液壓系統(主要是共用液壓油箱) ,將上述兩個液壓系統組合成一個可移動的模塊式動力站,這種模塊化的結構也是液壓驅動系統對比機械傳動系統的優勢之一。

A reasonable program and a theoretical model are provided for the practical design and debug of the fluid drive system of sugarcane mill so as to shorten its design period , and a reference for study of others hydraulic system of the equipment in the sugar - refinery 針對糖廠實際特點提出了一個設計方案。本論文給甘蔗壓榨機液壓驅動系統的實際設計與研究工作提供了參考方案與理論依據,為糖廠其它設備采用液壓驅動系統的研究與分析提供了借鑒。

At present , most load systems in china are fluid drive systems ; this paper solves two main difficulties in electro - motion system : the realization of speediness and the elimination of the superabundant torque . it can provide some new information in load system ' s further investigation 國內現有的加載系統多為液壓加載,本文的研究工作解決了電動加載的兩個主要難點:快速性的實現和多余力的消除,對加載系統的研究有一定的參考價值。

Purpose : the type of 2cy is applicable to transport the lube or analog , the temperature is not more than + 80 and the thickness is from 5 to 1500 cst , no causticity , and no solid granules or fiber , also is applicable for the fluid drive system and ships , etc 用途2cy系列適用于船舶等輸送溫度不高于+ 80 、粘度在5到1500cst之間、無腐蝕性、無固體顆粒和纖維的潤滑油式或類似潤滑油的其他液體,并且適用于液壓傳動系統。

Purpose : the type of 2cy is applicable to transport the lube or analog , the temperature is not more than + 80 and the thickness is from 5 to 1500 cst , no causticity , and no solid granules or fiber , also is applicable for the fluid drive system and ships , etc 2cy系列適用于船舶等輸送溫度不高于+ 80 、粘度在5到1500cst之間、無腐蝕性、無固體顆粒和纖維的潤滑油式或類似潤滑油的其他液體,并且適用于液壓傳動系統。

Digitai emulation on fluid drive system of sugarcane mill & plc integrated control on the productive line for grinding cane in sugar - refinery abstract the fluid drive system of sugarcane mill is adopted on the productive line in the sugar - refinery in broad and few used at home 液壓傳動甘蔗壓榨機與機械傳動甘蔗壓榨機相比,具有明顯的優勢。它在國外糖廠壓榨提汁生產線應用較多,在國內應用極少,研究更少。

A volume speed controlling system is selected on the fluid drive system of sugarcane mill , which consists of cam type axial piston variable pump and ram marathon fixed motor . an individual hydraulic system is adopted by the up - axis of the mill 甘蔗壓榨機液壓驅動系統采用斜盤式軸向柱塞變量泵與橫梁傳力內曲線馬拉松式定量液壓馬達組成容積調速閉式系統。

The fourth , the models of the drivers are set up by electromotor drive and fluid drive theory , from which the programs are compiled for adams to call in as the input parameters 運用電機拖動、液壓控制的一般理論建立了某炮供輸彈系統驅動環節的數學模型并編制了相應計算程序,通過adams的數據接口調用這些程序以作為動力參數輸入。

The thesis centered on the topic . a fluid drive program of the sugarcane mill is made . it is a must to have the digital simulation study on the hydraulic system 本文圍繞研究課題,展開研究工作,制定了甘蔗壓榨機的液壓傳動系統方案,建立其數學模型,并對模型進行了靜、動態特性數字仿真研究。

Scoop with fluid drive 液壓傳動斗

Fluid drive mechanism 液壓傳動機構

Design of fluid drive and electrical control system for bore modular machine tool 鉆孔組合機床液壓傳動和電氣控制系統的設計

Ustable speed fluid drive 可調速液力傳動