軸系振動 的英文怎麼說
中文拼音 [zhóuxìzhèndòng]
軸系振動
英文
shafting vibration- 軸 : 軸Ⅰ名詞1. (圓柱形的零件) axle; shaft 2. (對稱部分的直線) axis 3. (圓柱形的纏繞器物) roller; spool Ⅱ量詞(用於纏在軸上的線以及裝裱帶軸子的字畫)
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 振動 : vibrate; vibration; vibrance; vibrancy; vibra; vibes; shaking; rumble; jitter; chatter; sway; jar...
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In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於彈塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截頭錐模型模擬地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於彈塑性模型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。Magnetoelectricity gear method is a general torsional oscillation measurement method. it has disadvantages on less measure point and improved - needed dynamic characteristic. in the paper a new method of measuring torsional oscillation of the turbine - generator shaft was proposed on the basis of high speed ccd ( charge coupled device ) photography
現行的扭振測量方法以磁電式齒輪測量法為主,這種方法存在測點少,動態特性有待提高的缺點,就此本文提出了一種基於高速ccd ( chargecoupleddevice )攝像技術的汽輪發電機組軸系扭振測量的新方法。This paper proves that the changes of pre - compression on the windings have effects on their natural frequencies and derives their relation, which provides the experimental and theories foundation for fault diagnosis of large - scale electric transformers
通過對大型變壓器繞組進行振動實驗和根據建立的變壓器繞組軸向振動數學模型的理論推導,闡明了變壓器繞組預緊力的變化與其固有頻率變化之間的關系,這為大型變壓器的故障診斷提供了理論與實踐依據。In this study, based on bispectrum and bicoherence extraction of vibration acceleration signals at spindle end of a vertical machining center while milling operation, change rules of bispectrum and bicoherence of the signals were analyzed for the progressive wearing process of the flank wear land of the milling cutters
通過提取銑削加工過程中機床主軸端振動加速度信號的雙譜及其雙相干系數,分析了銑刀后刀面漸進磨損過程雙譜及其雙相干系數的變化規律。Yc series motor is stereo and of nice appearance. it is made with cold - rolled steel plate and high quality bearing with vibration noise much lower than the national standard
Yc系列電機外觀優美,具有立體感,採用冷軋矽鋼片和優質軸承,振動噪音等遠低於國標要求。Then the experiment platform of the hypoid gear system was set up, and the lateral, longitudinal and axial vibration response of the bearing and the vibration acceleration response on the surface of the gearbox were measured
搭建了準雙曲面齒輪傳動系統的實驗平臺,測量了準雙曲面齒輪箱軸承座的橫向、縱向和軸向振動響應和箱體表面振動加速度響應。In order not only in theoretics but also in practice to completely resolve the power diagnosis of each cylinder of i. c. engine according to the angular vibration curve of crankshaft, the pc instruments - crankshaft angular vibration measurement and analysis system ( tvm system ) and the electrical calibrator ( tvci system ), in which the soft and hardware resources of computer are sufficiently utilized, are developed by author
為不但在理論而且在實踐上全面解決利用角振動信號診斷內燃機各缸作功狀況的問題,作者開發並研製了一套充分利用計算機的軟硬體資源的pc儀器? ?曲軸角振動測量分析系統( tvm系統)和電標定器( tvci系統) 。At present among commonly used diagnosis methods, it is practical to diagnose axial vibration fault with frequency analysis and axis locus analysis
在目前企業中較常用的振動分析診斷中,利用頻譜分析與軸心軌跡分析診斷軸系振動故障,具有實際意義。The main job proceeded : collecting the data through investigation, summery the chracteristic of the quiver of the imported 300mw set to solve the quiver problem of the imported 300mw set, basing on the # 1, # 2 sets of the jingyuan ins corp and choosing the effiction of the aggravated plane, the changed stiffness of the # 4 bearing and # 7 bearing obtained the test result which can be used to be the conductor to solve the too bad quiver problem of # 5, # 6 axletree tiles in the # 1, # 2 sets of the jingyuan ins corp. outcome of the paper : analyse and sum up the main reason of the imported 300mw set ' s quiver through see much literature
針對靖遠第二發電有限責任公司# 1 、 # 2機組振動的具體情況,選擇各加重平面對軸系振動的影響、 # 4軸承變剛度、 # 7軸承變剛度變標高等項目,在300mw軸系模擬試驗臺上進行了模擬試驗,獲取了大量的試驗數據,得出了具有實際指導意義的試驗結論;針對靖遠第二發電有限責任公司# 1 、 # 2機組發電機# 5 、 # 6軸承瓦振過大的問題,通過剛度調整試驗的方法,較好的解決了問題。通過本文研究取得了如下成果:在閱讀了大量文獻資料的基礎上,對國內引進型300mw火電機組的振動特徵、振動的主要原因進行了分析和總結。Rolling bearing ’ s vibration signal has a strong background yawp, the different fault cause the different characteristic of vibration. particularly the scathing fault, will not only cause the low frequency impact vibration, but also rise the high frequency inherence attenuation vibration of the bearing
滾動軸承振動信號具有背景噪聲強、不同故障引起不同特徵振動的特點。尤其是損傷類故障,不但會引起低頻沖擊振動,還會激起軸承系統的高頻固有衰減振動。Discussion on turbine - generater unit installation relationship with shaft vibration
汽輪發電機組安裝與軸系振動的關系探討At last of the paper, build the test table of the high speed bearing. test and collect the data of temperature and vibration of the bearing in high speed
本文最後通過試驗研究的方法對軸承在不同轉速、不同工作載荷下的工作溫度和軸系振動進行了測量和分析。The element leading to problems could be extremely complicated, for instance, insufficient consideration during the model setup ; certain affecting elements vary with different types of ship, like the ship hull deformation, shaft vibration and reinforcing hardness and so on ; inadequate accuracy control and errors during the construction
導致問題的因素相當復雜,有計算模型的建立過程考慮因素不周;也有一些影響因素的特定性,對于不同的船型而不同,如船體變形,軸系振動,支座剛度等;還有施工過程精度控制不夠或施工過程出現錯誤。In the test, choose the angle contact bearing as test bearing, and work in the different position of spindle system, then test the temperature and vibration of the bearings in different speed and different loading, and analysis the data to verified the mathematics models
首先根據理論計算,選用適用於高速運轉的一組角接觸球軸承,各軸承處在軸系中不同位置,然後通過試驗分別對各軸承的工作溫度和軸系振動量進行測量,最後對數據進行分析,通過試驗驗證前面所建立的數學分析模型的正確性。Based on the shear theory of newtonian viscous liquid, the fusible damp coefficient is established for electromagnetism dynamic polymer extruder screw ' s axial vibration system
摘要對聚合物電磁動態塑化擠出機螺桿軸向振動系統,根據牛頓型粘性流體的剪切理論,確定了聚合物熔體的阻尼系統。According the principle of the statistical energy analysis method, define subsystem the whole system into four subsystem : subsystem of rail ' s vertical vibration, subsystem of wheel ' s vertical vibration, subsystem of wheel ' s lateral vibration and subsystem of acoustic space. then define the power flow equation between the subsystems
首先根據統計能量分析方法中子系統劃分的原則,將整個結構系統劃分為:鋼軌的垂向振動子系統、車輪的徑向振動子系統、車輪的軸向振動子系統及聲空間子系統共四個子系統;並且建立了子系統間功率流平衡方程。A novel instrument system for bearing fault diagnosis, which extends the functions of present bearing vibration testers, is introduced in index f1. this practical instrument is advanced in bearing industry in our country
該系統除集成了現有軸承振動測量儀的所有功能外,還擴展了許多功能,在國內軸承行業屬先進實用儀器。It has received satisfying effect. the paper has also compared oscillating identification signals of different rolling bearing and put forward some beneficial advices. thereby the technology of identifying and diagnosing rolling bearing signal has ascend to measuring system based on virtual instrument from conventional analog one
論文對多種滾動軸承振動信號的識別方法進行了分析和比較,提出了若干有益的建議,從而使滾動軸承信號識別與診斷技術,從傳統的模擬儀器監測系統上升到以虛擬儀器為主的監測系統。In the process, aiming at the rare bearing oscilation lift in 600mw magnetizing exciter, the several conclusions given by the expert system are examined, diagnosed and treated
對較為少見的600mw勵磁機軸承振動爬升故障,在長期工作經驗的基礎上,逐一排查「專家系統」判斷出的多種結論,成功地進行了分析診斷和處理,確保了設備的安全運行。分享友人