液壓泵泵組 的英文怎麼說
中文拼音 [yèyābèngbèngzǔ]
液壓泵泵組
英文
hydraulic pumpackage-
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採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 subsea wellhead production system, named building block subsea system, adopts the most advanced technologies in the world, including the subsea horizontal christmas tree, electro - hydraulic control system, mudline booster pump, umbilical assembly, host, and rov, etc
被稱為「組塊搭接式控制系統」的水下井口生產系統，薈萃了當今世界的尖端技術，包括雙定位水下臥式採油樹、電/液控制系統、泥線增壓泵、電纜系統、折疊式鉆井底盤系統和遙控作業機器人等。Direct drive volume control hydraulic servo system, which is composed of hydraulic pump driven by ac servo motor and executive elements, takes advantages of both ac servo motor ' s flexibility of controlling and hydraulic great output force
直驅式電液伺服裝置，它是由交流伺服電機驅動的液壓泵與執行元件組成，它具有伺服電機控制的靈活性和液壓系統出力大的雙重優點，即用電動機變速直接驅動液壓泵，實現對系統的控制。The result of the study shows that the electro - hydraulic proportional technology is useful for all - hydraulic operated drilling machine to simplify the operations and composition of system, to improve the level of automatization and efficiency and to reduce the consumption of energy. the result of the study also shows that the system of feeding has the properties as followed : fast respone, stable pressure - adjusted characteristic, distinct effect of energy - saving, some improvement of system efficiency
研究結果表明：全液壓鉆機中應用電液比例技術，可以簡化系統組成和操作，提高鉆機自動化水平，提高系統效率，降低發熱和溫升；採用恆壓變量泵的給進加壓電液比例控制系統調壓性能穩定、響應快、節能效果明顯。The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。We are mainly engaged in designing, manufacturing and selling various single stage water pumps, stainless steel chemical engineering pumps, hot oil water pumps, vertical horizontal multistage pumps, horizontal split casing pumps as well as fire fighting, water supply packages
其中組合式自吸泵進出口多方位聯接泵新型立式多級泵新型結構多級泵獲得國家專利， 600汽車助力泵被列為國家技術創新項目av新型立式多級泵被評為省高新技術產品t101 t102液壓組合單元dsp雙頭螺旋泵被列為國家級新產品。A transparent model is used to make the deflection jet board grounded on the inhere enlarged dimensions. the finished experiments are conducted to catch the flow rate directions and the situation of cavitation using a high - speed video cameras. in this paper, the finite element analysis and visualiation research of servo valve prestage jet flow field are carried out, which establish the theoretical foundation for mathematical model of servo valve prestage and the whole mathematical model of hydraulic servo valve
在對射流前置級驅動的伺服閥射流流場數值模擬的基礎上，用有機玻璃在偏導射流板原始尺寸的基礎上進行了擴大，製作了透明的偏導射流板，運用高速攝像機、液壓泵站等組成了可視化實驗系統，對射流流場的流速方向、渦流、氣穴等現象進行了多方位的觀測，並通過對接收管接收壓力的測試，對流場分析結果進行了驗證。In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards
論文第三章針對組成系統的各個模塊進行了機理建模，並且通過matlab軟體中的simulink圖形化模擬環境進行了本課題系統的模擬研究，主要針對影響系統特性的主要參數變化，動態分析系統的輸出特性，在上下行工況中，分析了電機軸系粘性阻尼系數、軸系摩擦力矩、主迴路蓄能器迴路液壓泵馬達內泄漏系數、蓄能器氣體容積、液壓缸柱塞粘性阻尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響；最後對軸向柱塞泵馬達的流量壓力脈動對電梯轎廂速度的影響和蓄能器內油液體積損失機理進行了理論研究。Liquid pumps and pump units - noise test code - grade 2 and grade 3 of accuracy
液壓泵和泵組.噪音測試規程. 2級和3級精度Adopting the mode of experiment data processing currently with computer control, the cat system is constructed, and it can contrqj hydraulic pump ' s rev and pressure
本論文所述系統採用兼有測試試驗數據處理和計算機控制功能的微機系統模式來組建cat系統，可對液壓泵轉速和輸出壓力進行控制。Based on comparison of several motor candidates, doubly salient permanent magnet ( dspm ) motor is a good choice for it ’ s outstanding performance. similar to conventional drive system, dspm brushless dc motor ( dspm - bldcm ) is composed of dspm motor and it ’ s controller. the controller is made up of three - phase full - bridge inverter, driver, dsp control unit and etc. for high power system, every switch of three - phase inverter is actually made up of four mosfets in parallel
在充分考慮國內外不同的液壓泵電動機的基礎上，本文選用了雙凸極永磁電機作為整個系統的電機本體，並配以電動機控制器（控制器包括三相橋式功率變換器、驅動電路、 dsp主控單元、電流采樣及預處理和位置采樣及預處理等主要部分）組成整個液壓泵電動機系統。Finally, five time - domain features of pump vibration as minimum combination of diagnosis parameters were extracted ; an online fault early warning for hydraulic pump was established, and simulations were performed
最後，從液壓泵振動信號的時域信息中提取診斷特徵參數，組成最小診斷參數組合，建立了液壓泵在線故障預警系統，並進行了模擬研究。Abstract : conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods
文摘:為解決船舶在向大型化、高速化方向發展時船舶主機設計困難，機艙布置不合理以及機動性能差等問題，提出了一種新型船舶推進方式，即船舶綜合液壓推進.給出了該推進方式的推進原理，通過工況配合特性曲線圖，對其工況配合特性進行分析，對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點，是對現有船舶推進方式的有益補充Conventional ship propulsion methods meet some limitations in ship development towards high - speed, large - scale and high - power. a new ship propulsion method, integrated hydraulic propulsion ( ihp ), was put forward to solve the problem. then further research work was done on the principle of ihp method. working condition - matching characteristic was discussed through the working condition matching characteristic chart. after that, the advantages and disadvantages of ihp method were given. and the pump and motor, important parts of ihp, was designed through physical analytical method. ihp method can be used extensively in some special kinds of ship for its own characteristics. to a certain extent, the limitation problem of ship propulsion method can be solved. ihp method diversifies the existing ship propulsion methods
為解決船舶在向大型化、高速化方向發展時船舶主機設計困難，機艙布置不合理以及機動性能差等問題，提出了一種新型船舶推進方式，即船舶綜合液壓推進.給出了該推進方式的推進原理，通過工況配合特性曲線圖，對其工況配合特性進行分析，對該推進方式的優缺點進行討論並對其重要組件液壓泵以及馬達進行設計計算.結果表明船舶綜合液壓推進具有其獨特的優點，是對現有船舶推進方式的有益補充This system tests 19 parameters such as the pressure of fore and after main fluid pumps and every sub fluid pumps ", force of pedal, turn angle of steering wheel, speed of every wheels and car body, and calculates 9 correlation analyses according to the gb112676 - 1999 " automobile system structure, capability and test methods " and gb7258 - 1997 " technical regulation of automobile safety ", also it can generate data report automatically
該系統對汽車制動過程中前後液壓總泵出口液壓、各制動分泵進口液壓、腳踏板力、方向盤轉角、各車輪轉速、車體速度等共計19個物理量進行測試。系統硬體由便攜式計算機、數據採集器以及相應傳感器組成。硬體設計中採用了模塊化設計思想，使得測試系統體積小、重量輕、抗振動、安裝拆卸方便、易於維護、可以進行隨車實測試驗。A closed loop system composed of high speed hydraulic pump and low speed hydraulic motor
高速液壓泵低速液壓馬達組成的閉式系統Abstract : this paper mainly introduces the composition of the powerplantmodule hydraulic loop of the combinable full trailer, analyzes the pressure distribution and calculates the pressure of hydraulic suspension system with fullload, and on the basis of the above analysis, we have chosen the model of hydraulic pump and diesel engine
文摘:主要介紹組合式全掛車動力機組液壓迴路組成，對滿載時的液壓懸掛進行受力分析和工作壓力計算，並以此為依據對液壓泵和柴油機進行選型。To improve the performance of ashp, an improved ashp system is presented. different from the original system, the new one can control the refrigerant flow rate by the sub - cooling of condenser and adjust the sup - heating of the compressor inlet vapor by the heater in accumulator. the simulation shows the new system not only has better dynamic characteristic of frost and defrost of ashp, but also has higher coefficient of performance
為改善空氣源熱泵機組的結霜除霜動態性能，提出了一種利用冷凝器過冷度來調節製冷劑流量，在氣液分離器里增加電熱裝置保持壓縮機進口過熱度的改進型系統，結果表明這種改進型系統不但可以改善系統的運行性能，同時能改善系統運行的經濟性，為機組的技術升級和產品更新提供了一個新的途徑。In this paper, through analyzing and discussing current development of typical hydrostatic drive system of crawlers at home and abroad, it studies property - matching of hydrostatic transmission systems, provides an electronic proportional controlling variable displacement pump - motor hydraulic drive circuit and control plan fit for crawlers " operation, together with typical travel drive system component
本文對國內外推土機行駛靜壓驅動系統研究現狀進行了分析和綜合，對靜壓行駛驅動系統的性能匹配進行了分析，結合典型行駛驅動系統的組成、工作原理提出了適合推土機工作的電比例控制變量泵-變量馬達液壓驅動迴路及其控制方案。Design of quick die change system of heavy - duty press has been introduced with principle and component of lifter, pump and control valve of pneumatic and hydraulic, emphasis especially on design and calculation for lifter and pump
摘要介紹了用於大型壓力機的模具快速更換系統的組成及工作原理，舉升器和氣動液壓泵的結構與工作原理，舉升器控制系統的原理等，並重點介紹了舉升器和氣動液壓泵的設計計算。分享友人