水壓傳動的 的英文怎麼說
中文拼音 [shuǐyāzhuàndòngde]
水壓傳動的
英文
hydraulically driven-
To avoid manual labor of chiseling - grossness, in the area of second - stage concrete construction, permanently non - removed metal molding boards nets are used as molding boards of first - stage concrete. substitution joints of reinforcing steel bars for traditional electric welding and usage of equipments for joints of reinforcing steel bars efficiently improve strength of junctions and rate of connecting reinforcing steel bars, and safety of construction and stability of quality, and greatly reduce cost. it ' s possible that three gorges project become top - ranking project in the world by study on systems engineering of high - strength concrete construction
混凝土縫面處理採用高壓水流沖毛技術,大大提高了施工工效,減少了倉面污染;模板工程大量採用定型鋼模板施工技術,提高了壩體混凝土成型質量和工程進度;在二期混凝土施工區域,為免除人工鑿毛勞動強度,採用永久性免拆金屬模板網作為一期混凝土模板;鋼筋連接改進傳統的電焊連接方式,採用大量採用鋼筋接頭機械連接技術,有效提高了接頭強度和鋼筋連接速度,施工安全性大大加強,質量穩定性有效提高,經濟成本大大降低;三峽二期工程持續高強度混凝土施工系統工程的研究,使三峽工程成為名符其實的「世界一流工程」成為可能;三峽二期工程混凝土溫控綜合技術的應用,有效降低了壩體混凝土溫度的產生;混凝土表面處理及裂縫處理技術的應用,提高了建築物的整體性和耐久性。Its working medium has abroad source, and it is clean and safe, so water hydraulic transmission technology accords with requirement of environment protection and sustainable development, has extensive application prospect, and has been one of research hotspots in the field of international fluid power transmission and control
因其工作介質具有來源廣泛、清潔安全等優點,所以水壓傳動技術符合環境保護和可持續發展的要求,具有十分廣闊的應用前景,目前已發展成為國際流體傳動及控制技術領域的研究熱點之一。What is mainly discussed in this dissertation is as follows : the fault mechanism and vibration frequency feature of hydroelectric vibration are analyzed, induced and reorganized. the select and placement of detecting positions of parameters such as vibration, swing and pressure pulsation are researched, and the corresponding sensors are selected to monitor
本文主要進行了以下工作:分析、歸納和整理了水電機組振動的故障機理和振動頻率特徵,對機組的振動、擺度和壓力脈動測點進行了選擇和布置,並選用相應傳感器進行監測。In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation
針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象,考慮滲流與傳熱的相互作用,採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明,高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域,增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source
摘要基於李家峽水電站雙排機組振動的現場試驗研究,並且針對傳統頻譜分析方法傅立葉變換( fft )對于非平穩信號已力不從心這一缺陷,利用小波分析方法在時域和頻域上同時具有良好的局部化性質,通過對開停機這一典型非平穩過程信號進行小波及小波包分析,將其分解到不同頻帶內,獲取微弱信息和提取優勢頻率,並對其作振源分析,得出開停機初始時刻因水流不穩均出現強烈的振動現象,且低頻段信號能量最大,開停機過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。Tys165 bulldozer is of power shift, hydraulically controlled and track - type. it features good performance, flexible operation, good quality, high efficiency, especially used in waterlogged area
Tys165推土機系液力機械傳動、液壓操縱、低比壓履帶推土機。該機性能優良,操作靈活方便,質量可靠,工作效率高,特別適合沼澤地和含水量比較高的松軟地帶使用。T165 - 1 bulldozer is semi - rigid suspended, power shift, hydraulically controlled and track - type. it is applicable for road construction, water and electricity engineering farmland leveling, port building, mining and other engineering conditions
1推土機系半剛性懸掛、機械傳動、液壓操縱的履帶推土機。可用於道路修築、水電工程、農田改造、港口建設礦山開發及其它建築工程項目的土石方作業。Ty165 - 2 bulldozer is semi - rigid suspended, power shift, hydraulically controlled and track - type. it is applicable for road construction, water and electricity engineering farmland leveling, port building, mining and other engineering conditions
2推土機系半剛性懸掛、液力傳動、液壓操縱的履帶推土機。可用於道路修築、水電工程、農田改造、港口建設礦山開發及其它建築工程項目的土石方作業。Ty165 bulldozer is semi - rigid suspended, power shift, hydraulically controlled and track - type. it is applicable for road construction, water and electricity engineering farmland leveling, port building, mining and other engineering conditions
Ty165推土機系半剛性懸掛、液力機械傳動、液壓操縱的履帶推土機。可用於道路修築、水電工程、農田改造、港口建設礦山開發及其它建築工程項目的土石方作業。Ty120 bulldozer is rigid suspended, power shift, hydraulically controlled and track - type. it is applicable for road construction, water and electricity engineering, farmland leveling, port building, mining and other engineering conditions
Ty120推土機系剛性懸掛、機械和動力換檔變速傳動、液壓操縱的履帶式推土機,可用於道路修築、水電工程、農田改造、港口建設、礦山開發及其它建築工程項目的土石方作業。The main work includes : based on biot ' s dynamic consolidation equations, by the method of integral transform and matrix transfer, two - dimensional consolidation of layered saturated soils is studied. then, the general integral solutions of stress ( including pore pressure ) and displacement ( including fluid flow ) of any point were obtained under harmonic vibration loads according to staunch boundary condition. second, a program to verify the correctness of this dissertation is developed
主要工作有:本文根據biot平面動力固結方程,運用積分變換和矩陣傳遞的方法,研究了成層飽和地基的二維biot固結問題,根據下邊界為不透水基巖的邊界條件,獲得了地基表面作用簡諧振動荷載時,任意點應力(包括孔壓) 、位移(包括流體流量)的一般積分形式解。As the most effective means to increase the economics and reliability of power station, pumped storage power station with static frequency converter ( sfc ) for start - up is widely used in developed country. recently china also implements several pumped storage power station projects
抽水蓄能電站利用靜止變頻啟動( sfc )方式啟動,這種方式在啟動時產生諧波,對sfc裝置及同電壓級別的其它用戶產生影響,也會通過降壓變壓器向高壓傳遞,對高壓側的用戶產生影響。We have made a full theoretical analysis of the wave property and the wave parameters of the flap - type wave generator in the towing tank of our school, and confirmed that should make the factor that the performance of the wave generator give play to normally to influence. in allusion to that the old wave generator can not simulate sea wave, upgrade and transform to this system change the control computer system and install additional d / a change card, redesign the wave control interface and transmission means of control signal, give up the disk machine that can not be used, make the wave - making control voltage signal that has translated direct input the wave controller, make wave controller to make waves through servo system
對我校船模水池原有的搖板式造波系統的性能進行了理論分析,針對水池原有造波機系統模擬海浪的不足,對該系統進行升級與改造,更換了主控計算機並加裝d a轉換卡,重新設計了造波控制信號的介面與傳輸方式,捨去了原系統中現已淘汰的磁盤機,使轉換后的造波控制電壓信號直接輸入到造波控制器中,再由造波控制器通過液壓伺服系統驅動造波板進行造波。Application of water hydraulic driving technology in coal mine
水壓傳動技術在煤礦中的應用Today, water hydraulic technology is being paid more and more attention because of its advantages
摘要由於純水具有許多優點,純水液壓傳動技術越來越受到人們的關注。This paper presents features, research contents and key technologies of water hydraulics, as well as research statuses home and abroad, and makes prospect for its application
文中詳細論述和分析了純水液壓傳動特點,指出了其主要研究內容及關鍵技術,並介紹了國內外的研究進展和展望。Water hydraulic transmission technology, which uses natural sea water or fresh water as working medium of hydraulic system to replace mineral oil, is a neotype transmission technology
水壓傳動技術是直接用天然海水或淡水代替目前廣泛使用的礦物油作為液壓系統工作介質的一門新型傳動技術。The actuality of water hydrostatic transmission technology and its application in agriculture machinery
水液壓傳動技術現狀及其在農業機械的應用With the scale of social production extends and the production horizontal exalts, the electricity control technique and the hydraulic technique all develop very quickly. electricity control technique developed from the relay system to the direct digit control ( ddc ) system the disperse control system ( dcs ) to the fieldbus control system ( fcs ). the modem hydraulic control technique have developed to a complete automation which include of transmit control testing computer technique, and gradually turn to the digit control and full - automatic control
隨著社會生產規模的擴大、生產水平的提高,電氣控制技術和液壓技術都在非常迅速的發展。電氣控制從繼電器控制系統發展到直接數字控制( ddc )系統、集散控制系統( dcs )到目前的現場總線控制系統( fcs ) 。現代的液壓傳動及控制技術已發展成一門集傳動、控制、檢測、計算機一體化的完整的自動化技術,並逐步趨向數字控制和全自動化。Analysis of the test results of the rear - installed cooling system revealed that the overheat problem resulted from the measured cooling air temperature being higher and the coolant flow and transmission oil flow being smaller than the correct design value, and that the wrong location of the hydraulic oil cooler cannot completely meet the need of the cooling system
通過對測試數據進行分析,確定了系統過熱的原因,即系統中測試獲取的冷卻風的溫度比設計值高,冷卻水和傳動油的體積流量比設計值小,而且液壓油散熱器布置位置錯誤。分享友人