振動架 的英文怎麼說
中文拼音 [zhèndòngjià]
振動架
英文
jigging frame-
The stiff floor structure has bigger displacement and smaller internal forces. under seismic forces, frame with eiastic fioor has bigger vibration period, and takes on complicated modes of vibration. due to the big vertical rotation, structure with elastic floor shows more prominently coupling vibration of bending rotating and twisting
如，彈性樓板的結構位移比剛性樓板結構的位移大，內力也是彈性樓板結構的大；在地震力作用下，考慮彈性樓板變形的空間框架振動周期比剛性樓板框架長，而且其振型表現得也比較復雜，由於豎向扭轉位移較大，彈性樓板結構表現出更明顯的彎扭耦聯振動。Fuzzy logic vibration control of space intelligent truss
空間智能桁架模糊振動控制研究" just about every single person who got off the bicycle at our ride - and - drive said it s amazingly smooth, " klehm says. with a nuvinci bike, riders can shift whenever they want, at any speed, whether they re pedaling or coasting, going uphill or down. " our transmission technology is scalable from bicycles to wind turbines, " he said
車架瞬間轉點的位移向量與搖臂軌跡為同一直線上，影響效果包含了踩踏與煞車功能，而這設計能讓車架在避震行程內，將振動做最佳有效化的移轉，來提供好的騎乘感，並降低甩尾現象與減少踩踏的反作用力。Through optimizing design to fulfill strong steel structure, and to ensure the machine weaving abb with high speed, strong power and small libration
通過優化設計而實現的高鋼性機架構造，保證了織機高速、強勁、低振動的穩定打緯。Skeletal vibrations are usually very sensitive to changes in the immediate environment of the vibrating group.
骨架振動常因振動基因的環境變化而十分敏感。Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account
依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型，對中國古代木結構中的典型構造如：柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了量化分析和實驗研究： （一）通過木柱石礎靜摩擦試驗，測定了柱腳與石礎古鏡面間的摩擦系數及摩擦力隨上部結構荷載變化的規律； （二）通過單柱承載力試驗，測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模量、極限承載力、極限變形等參量； （三）通過柱架低周反復荷載試驗，測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的極限承載力和極限變形、及榫卯減振參數； （四）通過斗?低周反復荷載試驗和受壓試驗，測定了古建築木構件與木構件間摩擦系數，斗?抗側移剛度，斗?恢復力特性及滯回曲線，斗?抗壓極限承載力及受力變形規律； （五）通過抬梁式殿堂間架模型振動臺試驗，測定了殿堂木構架結構自振周期，地震反應振形、阻尼特性及阻尼比；按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測量，對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參數等進行了定量分析。This paper deduces the equation groups of large span steel truss bridge which installed mr dampers of coupling vibration of vehicles and bridge. and provide the two strategies of semi - active control
本文從理論上首次推導出設置擬況阻尼器的大跨度鋼析架橋梁車橋禍合振動的系統受控方程並提出了兩種控制策略。On the part of the design of nine - component thrust vector stand, an automatic hydraulic pressure original position calibration system, a scheme of original position calibration, and the great rigidity universal flexible combinatorial underprop are designed. by using the scheme of “ universal flexible combinatorial underprop plus software digital filter ”, the inherent frequency of test stand is improved, and the problem of test stand libration is solved. then, the resolving method of the disturbance between underprops of the moveable frame is proposed, and the disturbance revise equation is deduced
在推力矢量試車臺設計方面，設計了自動液壓原位校準系統、原位校準方案以及大剛度萬向柔性組合支撐;採用「萬向柔性組合支撐+軟體數字濾波」的方案，提高了試車臺動架的固有頻率，解決了試車臺動架的振動問題;提出了動架約束互擾問題的解決方法，推導了互擾修正方程;研究了九分力推力矢量測量誤差分析方法，並計算了推力矢量測量精度。Active damping suspension systems have been one of the major trends in the recent development of suspension systems. this paper reports a study on the active damping suspension system to reduce vehicle vibration
主動阻尼懸架技術是當今車輛懸架技術發展的趨勢之一，本論文從汽車振動力學的角度對車輛懸架進行了研究。Overhead lines - requirements and tests for stockbridge type aeolian vibration dampers iec 61897 : 1998 ; german version en 61897 : 1998
架空線.架空線型的風振動阻尼裝置的要求和測試This machine is comprised of screen box, vibration source and damper, vibrating frame and screen box are connected with 4 - 12 group soft rubber damp - ers fixed up and down, and the centrifugal force is generated therein, the floating ampli - tude is controlled by the damper, by which, material realizes a process of throw and lami - nation filtration downward, and therefore reach - ing the optimized grading and screening ef - fect
本機由篩箱.振動源及減震器三大部分組成.振動機架與篩箱連接有4 - 12組軟橡膠減震器上下固定，產生離心力，由震器控制浮動振幅，使物料有一個向下拋震和向下分層過濾的過程，從而達到最佳分級過篩的效果The spectrum analysis showed that only the balance signals require processing by digital filter, and only inherent frequency components of balance, bracket and model system of the balance signals will require filtering, but the resonance components of test force oscillatory are. saved as more as possible
數據的頻譜分析結果表明只須對天平測量信號做數字濾波處理；濾波原則是僅需濾掉天平、支架、模型系統的固有振動頻率分量，同時盡可能多地保留實驗強迫振動的各階諧振信號。In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load
文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。According to results of calculations and experiments, main causes that contribute to vibration are founded, then puts forward improving measures of adding deflexed supporting and suspending nogs and making pipelines shunt - wound, finally completes improvement tasks following is the main works completed in this thesis : ( 1 ) this thesis sets up a mathematic model of steam pipelines, using ansys5. 6 limited - unit analyzing software, calculates the ten phase inherent frequency and the foregoing eight phases vibration types of four steam pipelines of the unit before dealt with
為了解決八零三電廠2號汽輪機四根主蒸汽導汽管道振動的問題，本文建立了相應的計算模型，並根據計算和實測結果，找出了振動的主要原因，提出了加裝偏轉支吊架和管道並聯的改進措施，完成了改造工作。本文主要工作是：建立導汽管計算模型，並應用ansys5 . 6有限元分析軟體，對機組四根導汽管治理前的10階固有頻率和前8階振型進行計算。( 3 ) by spot reconnaissances, according to the results of calculations and measures, the problem of vibration is solved by adding deflexed supporting and suspending nogs, making pipelines shunt - wound and without changing the previous design and collocation, which can also measure up nationally. to complete the improving program successfully, the improving project is demonstrated using ansys5. 6 limited - unit analyzing software, the results of it show that the project put forward can resolve the problem of transmitting steam pipelines
通過現場勘察，根據計算和測量結果，決定在不改變導汽管原有設計和布置，同時又滿足國家標準的前提下，採用加裝偏轉支吊架、導汽管並聯的措施，通過改善導汽管剛度和改變管道固有特性的方法，對該機組四根導汽管振動問題進行了處理。In many big enterprises such as electric power and pentrifaction ones, there are lots of high temperature and pressure pipelines conveying steam. because of improper design, collocation and adjustment of the supporting and suspending nogs, pipelines often vibrate, which affects natural life, threatens safe production and even leads to grave accident
在電力、石化等大型企業中，存在著大量的高溫、高壓輸汽管道，由於支吊架設計、布置和調整不當，管道常常發生振動，影響管道的使用壽命，對安全生產造成威脅，甚至引起重大事故。It supports the aircraft during parking and endures the loads during ground maneuvers. most of the vertical and horizontal kinetic energy are absorbed and dissipated by landing gear. it plays an extreme important role in preventing the airframe from vibration and excessive impact forces, improving passenger comfortable characteristics and increasing aircraft flight safety
飛機起落架作為飛機結構的一個重要部件，承受著飛機與地面接觸時產生的靜、動載荷，吸收和消耗飛機在著陸撞擊、跑道滑行等地面運動時所產生的能量，在減緩飛機發生振動，降低飛機地面載荷，提高乘員舒適性，保障飛機飛行安全等方面發揮著極其重要的作用。In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value
第三章採用大渦模擬亞格子渦粘模型，對巖灘混流式水輪機的流場進行三維非定常湍流分析，得到了流場中各物理量的脈動特性，計算出ms的軸向水推力與模型試驗值大小相當；同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。After plenty of practices, it is discovered that the main factor that lowers the part precision and accelerates the aging of parts is the vibration caused by the inertia force of extrusion head in high speed scanning movement
作者通過大量的mem工藝實踐發現，噴頭做高速掃描運動時產生的慣性力對機架的沖擊及相應引起的劇烈振動是降低造型精度、加速設備老化的主要因素。分享友人