支承線 的英文怎麼說
中文拼音 [zhīchéngxiàn]
支承線
英文
resistance line-
The effect of the support at the crest introduces in particular an inversion of the normal curvature of a free cantilever in free deformation.
特別是壩頂支承作用使一個自由懸臂梁的變形曲線。As to the high speed of electric spindle system, the angle - contact bearings are usually applied to supporting the shafts. because the supporting stiffness of rolling bearing is non - linear, especially under the circumstances of high speed and ultrahigh speed, the internal working status is so complicated that it is not regarded as routine linear support and ordinary non - linear support. centrifugal effect of the rolling bearing increase the factors of influencing the supporting stiffness
高速電主軸系統的轉速很高，通常都採用角接觸球軸承作為支承，由於滾動軸承的支承剛度呈非線性形式，特別在高速和超高速情況下，滾動軸承內部的動力學狀態十分復雜，由於滾動體運動所產生的離心力作用，使得影響其支承剛度的因素增多，不能作為常規的線性支承和普通的非線性支承處理。( 4 ) the instability problem of the columniation supporting was solved in the construction of side - span. ( 5 ) the circle - steel nip - patch anchor was applied for the thread - snap of the prestressed crude steel wire, the double facility anchor was used for deeling with the slip - wire of steel wring
（ 4 ）在邊跨直線段施工中，採用一端設立柱另一端吊掛在已合攏梁段上的梁式膺架，解決了支柱支承在古錯落體上的不穩定問題。4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author
4 、由於考慮了土體的粘彈性支承邊界條件，使得其動力平衡方程在頻域內的固有值方程為一復數超越方程，為了求解該方程，筆者基於幅角原理和閉合曲線積分，結合matlab ，提出了復平面上超越方程的兩種數值解法，並編制了相應的程序。In the last, the modern control theory and simulink in matlab have been integrated together, and it has been applied in active control of the platform structure elastically supported ; a mechanical model and an equation of motion in state space have been established. based on coc, dynamic response of the platform structure elastically supported has been studied under simple harmonic load ; the influence of different values of weight function to the active control efficiency of the structure has also been discussed
本文還將現代控制理論與matlab的simulink動態模擬軟體包相結合，將其應用於彈性支承平臺結構的主動控制中；建立了彈性支承平臺結構主動控制理論的力學模型和狀態空間內的運動方程；應用經典線性最優控制演算法對彈性支承平臺結構在簡諧荷載作用下的動力響應進行閉環控制；分別從理論和數值計算兩個方面討論了狀態權函數矩陣q和控制權函數矩陣r的不同取值對控制效果的影響。Insulators and fittings for overhead lines. metal fittings. back plates pf 59 and pf 70
架空線路用絕緣子和配件.金屬配件.支承板pf 59和pf 70Online diagnosing technique of support shaft crack of large - scale rotary kiln
大型回轉窯支承軸斷裂在線診斷技術In airborne synthetic aperture radar ( sar ), antenna stabilization platform is used to isolate antenna pointing, which is stabilized through controlling the platform axis ' rotation, from the vehicle ' s varying attitude and dynamical vibration
摘要機載合成孔徑雷達中，天線穩定平臺用於隔離載機的姿態變化和機械振動對天線指向的影響，並通過伺服系統控制平臺支承軸的轉動穩定波束指向。When analyzing skew support continuous curved box girder bridge, curved grid girder analyzing method considering warping effect is applied. matrix displacement method is applied in analyzing skew support continuous curved thin - walled box girder bridge with restrained bearing. in order to convert original rigidity equations to structural rigidi ty equations that can be solved, bearing nodal displacement matrix can be introduced, then unknown quantities at the edge of beams can be consistent with the restrained directions of skew bearings, unit rigidity matrix and unit nodal forces can be gained. structural rigidity matrix can be composed according to matrix displacement method, so nodal displacements and inner forces on the end of the rod that are unknown can be gained calculating equations of inner forces on any cross - section can be solved
分析斜支承連續曲線箱梁橋時，採用考慮翹曲作用的曲線格子梁分析方法，應用矩陣位移法對具有約束支承形式的斜支承連續曲線薄壁箱梁橋進行分析，考慮到支座的約束條件並不與梁端彎曲角位移和扭轉角位移的方向一致，引入支座節點坐標矩陣，使得梁端的位移未知量與斜支座約束方向一致，來計算單元剛度矩陣和單元節點力，然後按照矩陣位移法組集總剛並建立結構剛度方程，根據結構剛度方程即可求解未知的節點位移及桿端力，推導出任意截面處的內力計算公式。Linear motion rolling bearings - classification and designation
直線運動滾動支承.分類及代號方法Bifurcation and chaos analysis of the elastic disc - shaft rotating system with the nonlinear oil - film bearings
具非線性油膜軸承支承的彈性盤軸轉子系統的分岔和混沌分析Based on the analysis and comparison of influences of various intermediate support bearing types on the internal forces of the curved girder bridges, the applicable conditions of the different hearing types for design of the curved girder bridges with fairly narrow decks and sharp radii have been obtained
摘要通過中支點不同的支承形式對曲線梁橋內力影響的分析和比較，得出不同的支承形式在較窄和曲線半徑較小曲線梁橋設計中的適用條件。Proceeding with the support " s force condition is analysed in the static and revolve state, the stress distributions in the contact areas of support and roller are researched by way of hertz theory, the tow - dimensional elastic movement of the contact area is studied by contact mechanics, and the formula and curve of movement regulation are deduced
從回轉窯靜止與運轉時支承的受力情況分析著手，依據赫茲接觸理論對托輪與滾圈接觸區的壓力分佈進行了分析，並用接觸力學方法研究了接觸區的二維彈性滑動，推導出回轉窯軸向下滑計算公式，從而得出回轉窯軸向下滑特性曲線。In this paper, the three level fortification criterion, two stage design method and the elastic response spectrum theory are adopted, and the program of nba ( the program of nonlinear - aseismic analysis for beam bridge ) is used to calculate. through gathering, analyzing and calculating a lot of bridge design materials, this paper induces a simple way to calculate the relative displacement of the beam and the pier, and then according to the current design method, it concludes a better design principle of the supporting length of the beams. at the same time the dynamics is adopted to put forward the design method of the carrying capacity and the lengthen of prestress wire ( steel bar ) falling - off prevention structures of highway bridges
本論文採用三水準設防、兩階段設計方法、彈性反應譜計算理論，運用橋梁結構非線性地震響應分析程序nba （ theprogramofnonlinear ? aseismicanalysisforbeambridge ）進行計算；通過收集大量的實橋設計資料，經分析計算，歸納總結出計算上下部結構相對位移的簡便計算方法；並綜合國內外的經驗值，提出梁的支承長度se的設計原則；同時運用動力學突加荷載的原理，推導分析了預應力鋼絞線式（鋼棒連接式）落梁防止裝置設計承載力的計算方法和設計伸長量s _ f的取值；最後本文通過實橋計算，說明了落梁防止系統設計的方法。The test results showed, that the test method accorded with the requests in engineering tests, that bearing vertical and horizontal loads can be tested in real - time
試驗結果表明：該方法滿足工程測試要求，能實時測試各支承負荷及其變化，可運用於現場進行汽輪發電機組軸承負荷在線監測。Linear motion rolling bearings - rolling bearings, linear motion ball, recirculating, sleeve type - accessories
直線運動滾動支承套筒型循環球直線運動軸承附件According to calculating equations of skew support continuous curved girder bridge that deduced in this paper, compiles a program and gives a case to validate its feasibility and veracity
根據推導得到的斜支承曲線梁橋計算公式，編製程序並舉例驗證其可行性和準確性。Piezo - electrical ultrasonic motors were used to drive the linear slideways supported by the cross roller bearings, position information was fed back by the optical encoders, the total closed - loop control system was constituted
伺服機構採用壓電超聲電機直接驅動由滾柱導軌支承的直線工作臺，通過高精度光柵尺構成全閉環反饋。In the paper, active control to rotor vibration with sma is studied : 1 ) the material performance of sma, especially the coupled relation of strain, stress and temperature, is studied in nonlinear coupled thermoelasticity theory and the linear result is modified ; 2 ) the nonlinear dynamic behavior of rotor system with sma bearing is studied in the nonlinear theory and the dynamic stability theory and the deference of the soft / hard nonlinear system is pointed out
1 ）運用非線性熱彈性耦合理論研究記憶合金材料的力學性能，特別是應力、應變和溫度三者之間的耦合關系，改進了原有的線性結果。 2 ）運用非線性理論和運動穩定性理論研究帶有記憶合金支承的轉子系統在非定常狀態的非線性動力學行為，指出了軟、硬非線性系統的區別。The spindle is supported by high - accuracy rolling bearing ; the frequency governor imported from abroad is used in the main drive system to realize stepless speed regulation and constant linear cutting functions ; the bed is supersonic frequeney hardened, plastic coated guide ways are used for the carriage ; and stepping motor of acservo motor are used x and z axis to realize feed movement via the ball screws
主軸採用高精度的滾動軸承支承；主傳動採用進口變頻調速器，實現無級調速功能及恆線速切削功能；床身採用超音頻淬硬處理，採用貼塑導軌； x軸和z軸均採用步進或伺服電機，通過滾珠絲杠，實現進給運動。分享友人