Research on the dynamical balancing of plane machinery 平面連桿機(jī)構(gòu)動力平衡的研究進(jìn)展
This paper presents the basic construction and movement rules of the coordinator gyrorotor with reticle of archimedes spiral reticule pattern , also , it explains the principles and methods of dynamical balance to damp the vibration and forced nutation 闡述了具有阿基米德螺旋線圖案的位標(biāo)器的基本原理及其運(yùn)動規(guī)律,并說明這種陀螺轉(zhuǎn)子的振動與繞動的平衡原理與方法。
Achieve the coefficient of each add weightiness plane affect on axletree ' s quiver via the experimentation of shafting analog . it can be used to direct the choice for the set ' s dynamical balance add plane and add weight . gain the stiffness and relation between level ' s variety and set ' s quiver through the experimentation of changing the level and stiffness . it offer the reference data for analysis and disposal of set ' s quiver 通過軸系模擬試驗(yàn),得到了300mw火電機(jī)組各加重平面對軸承振動的影響系數(shù),該系數(shù)對機(jī)組平衡時,加重平面和加重量的選擇有較大的指導(dǎo)作用;通過軸承的變剛度變標(biāo)高試驗(yàn),得出了剛度及標(biāo)高變化與機(jī)組振動的關(guān)系,為機(jī)組振動故障分析、處理提供了參考數(shù)據(jù)。
However , there are many problems on theory , method as well as application in nonlinear dynamics that have not been solved up to day . for example , the nonlinear dynamical mechanism of the rotor system undergoing multiple nonlinear stimulations ; stabilities analyses of large . scale systems ; the nonlinear dynamical balancing technique for high . speed rotors 然而,非線性轉(zhuǎn)子動力學(xué)在理論、方法和應(yīng)用方面尚有許多問題待解決,如綜合非線性因素作用下轉(zhuǎn)子系統(tǒng)的非線性動力學(xué)機(jī)理;大系統(tǒng)穩(wěn)定裕度的計(jì)算方法;轉(zhuǎn)子大系統(tǒng)異常故障振動的非線性治理方法等問題。
The equation of the pressure of scroll chambers 、 the force of axis 、 the force of radial 、 the force of tangent 、 inertial force 、 the composition of forces and the inertial movement is given . a dynamic model of scroll compressor of combination profile is developed , based on the analysis of the movement of the moving parts . this can provide base of theory for dynamical balance design 、 intensity design and reliability analysis 論文利用pro / e軟件建立新型組合曲線渦旋壓縮機(jī)動渦盤的三維實(shí)體模型,在此基礎(chǔ)上根據(jù)受力情況對動渦盤的渦圈進(jìn)行了有限元分析,探討動渦盤在工作過程中由于氣體力的作用而產(chǎn)生的應(yīng)力與應(yīng)變規(guī)律,為進(jìn)一步完善動渦盤的設(shè)計(jì)提供了理論依據(jù)。