柱塞變量泵 的英文怎麼說
中文拼音 [zhùsèbiànliángbèng]
柱塞變量泵
英文
variable stroke plunger pump-
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。A. hydraulic pressure adapts constant power variable axial piston pump for energy saving
液壓泵採用恆功率自動變量軸向柱塞泵，以節省能源。The adoption of the variable pump is a breakthrough of the water cutting jet which solved the previously problems in suing the home - made products, such as piston pump filling - up, noise, high - consumption of energy, high oil temperature, lowering of piston pump pressure at the beginning of the work which would effect the starting point and the longevity of the high pressure components will be affected by the changes of pressure
採用變量泵是水刀的技術突破，以前用國內柱塞泵，噪音大、不節能、油溫高，柱塞泵在開始工作時壓力會降低，這樣會影響切入點效果，高壓部件會受到壓力的變化而影響高壓部件的使用壽命。Nowadays, the constant - power - control variable displacement axial - piston hydraulic pump have be used in most of construction machine and equipment for their power equipment. the quality of the whole machine is determined by the quality of the piston pump. because the piston is the most important part of the piston pump, it is becoming necessary to study of the piston with modern design method
由於大多數工程機械利用全功率軸向柱塞變量泵作為其動力裝備，柱塞泵質量的好壞將關繫到工程機械的總體質量，而柱塞又是柱塞泵的主要部件，因此有必要利用現代設計方法對柱塞泵的柱塞進行研究分析。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。The derivation of the leakage flow rate formula of the special annular clearance between the piston and cylinder under condition of variable viscosity in the axial piston pumps was carried out. at same time, considering the questions of the eccentricity and the variable sealing length of piston friction pair, the modified coefficient of the calculation formula of the flow - rate of the leakage was given
在變粘度、柱塞偏心以及變密封長度條件下，對軸向柱塞泵中柱塞與缸孔之間的特殊圓環縫隙的泄漏流量公式進行推導，得到了該計算公式的修正系數； 6The new unit has following technical features : ( 1 ) the unit ' s load is balanced by means of the accumulator and hydraulic cylinder with special structure ; ( 2 ) the installed power of the unit can be reduced greatly by adopting the accumulator ; ( 3 ) variable frequency speed regulation ensures good energy saving effect, and the closed oil circuit requires less hydraulic oil ; ( 4 ) a bi - directional hydraulic lock in the oil circuit ensures the stability and safety of the operation of the pumping unit
新型機具有4個技術特點： （ 1 ）由於活塞柱塞式液壓缸的特殊結構和液壓蓄能器的配合使用，在平衡抽油機大部分載荷時，不需另外增加配重，可減小抽油機體積、質量和佔地面積； （ 2 ）抽油機下沖程時，與活塞柱塞式液壓缸相連接的蓄能器吸收能量，上沖程時儲存在蓄能器中的能量補充載荷上行所需的能量，大幅度降低抽油機裝機功率； （ 3 ）利用變頻容積調速節能效率高，閉式油路節省液壓油，同時大大減小液壓泵站的體積； （ 4 ）在閉式油路中採用雙向液壓鎖可使抽油機的啟停更加平穩、迅速，其工作的穩定性和安全性更好。Scm as control core applied in the variable axial piston pump is introduced briefly in the paper, including structure and work principle
摘要本文介紹了基於單片機控制的數字變量軸向柱塞泵的結構組成、工作原理，並理論推導了數字泵的輸出流量與輸入脈沖信號呈線性關系。分享友人