構架桿 的英文怎麼說
中文拼音 [gòujiàgǎn]
構架桿
英文
truss bar-
In this paper, ackerman steering linkage of double - wishbone suspension is taken as the study object, choosing the splitting joint and steering lever joint to carry out the design of optimization the mathematics models are established based on the multi - body system dynamics, applying its analysis method of kinematics to study the mechanism kinetic principles owing to more spatial factors considered, and calling off many hypotheses affecting the accuracy, compared with the traditional methods, the models are better to reflect the realistic motion principles, the results are more exact and applicable moreover, the force analysis is applied to the conduct mechanism the analysis method of dynamics in the multi - body dynamics is applied to study the forces applied on every component, working out the constraint reaction force of up and down ball joints, and developing the current computation program in the end, produce the upper wishbone geometry model in the ansys software package, meshing and carrying out the fea, testifying if the intensity of the wishbone meet with the requirements
本文以雙橫臂獨立懸架的轉向傳動機構作為研究對象，選擇對斷開點和節臂球銷的位置進行優化設計，在此基礎上建立了基於多體系統動力學的導向機構和轉向傳動機構的數學模型，運用該學科的運動學分析方法研究機構的運動規律，編制了通用優化設計軟體。由於考慮了更多的空間因素，取消許多影響準確性的假設，因此建立的數學模型與傳統的方法相比更能反映實際運動規律，得到的優化結果也更加精確實用。此外，本文還針對導向機構進行受力分析，在建立該機構的空間動力學模型后，運用多體動力學中的動力學分析方法研究各個桿件的受力，計算出上下球鉸的約束反力，並開發出了相應的通用計算程序。With the help of the electronic computers, engineers employ it to figure out nearly all kinds of engineering problems ranging from astronavigation, construction, waterpower projects, ship - building and mechanical engineering etc. owing to the strong power of finite element method, one kind of software pack which based on the method is exploited and named algor feas to resolve problems on structure analysis for trusses and shells. this paper also employ algor feas software pack to analyze and compute the cableway towers, giving the accurate result on stress and displacement both in location and whole. finally, we also bring out some advice on structure improving
在此分析過程中：首先將物理模型簡化為力學模型，主要是將塔架結構按空間桿單元簡化為空間桁架結構，目的是將力學模型變換為數學模型；這一過程主要是利用autocad2000建立塔架的計算模型；再者，利用algorfeas軟體包讀入autocad建立的塔架計算模型生成初始數據卡利用計算機進行編程進行風載計算，再將計算結論整合入algorfeas產生的初始數據卡中，生成計算數據卡；接著，利用algorfeas軟體包計算塔架在不同載荷情況下的應力圖，位移圖，並且求出在不同載荷條件下的最大位移和最大應力等；然後，對塔架的穩定性進行分析；最後；根據計算結果提出改進建議。Based on vc and opengl software platform, as a part of integrate planar mechanism analysis and simulation cai, the mechanism theory has been adopted to analysis the movement trace and profile of linkage ; adopt oriented object method to capsulate the class module. each corresponding class module complete parameter storage and process ; adopt message - map, message - trigger to organize the programming and response the user " s input ; use the document - view structure of the visual vc + + mfc class foundation as the basis of the programming architecture to complete those functions. use oriented object method to product the following class module : control class, render class, document class, mechanism class and other classes ; adopt opengl library to draw the three dimensional graph based on the result of mechanism analysis ; use model transforming, lighting, material, color, frame - buffer, display - list, graphics - component combine etc to draw the three - dimension mechanism and make the simulation of linkage has high reality
本文敘述了平面連桿機構運動分析和可視化模擬的理論演算法及其編程實現方法，基於微機vc平臺，採用opengl圖形庫編程，利用面向對象的方法對機構進行功能封裝，利用vc + +的文檔視結構作為最基本的窗架，生成並控制三維繪制類、文檔類、主窗口類和一些輔助類，利用windows平臺的消息映射、事件驅動來組織程序運行和響應用戶反饋，利用機構分析得出坐標數據驅動opengl庫繪制三維機構圖形。The method of curved lever space rigid frame, a new and practicable numerical method, is based on the utility of reinforced concrete shell structure in practical project and on endogen force analysis of shell structure as this paper extracts
摘要從鋼筋混凝土殼體結構的實際應用出發，對殼體結構內力分析提出了一種新型實用的數值分析方法曲桿空間剛架法。The shell is divided into orthogonal or oblique crossing girder systems, which make up a space rigid frame structure, then an analysis is made of the endogen force of the shell structure based on the curved lever space rigid frame structure
該方法通過將殼體結構離散成相互垂直或斜交的曲桿梁系組成的空間剛架結構，進而分析曲桿空間剛架結構的內力，達到殼體內力分析的目的。Stability calculation methods for grillage supporting structure with prestressed anchor and its application
框架預應力錨桿邊坡支護結構穩定性計算方法及其應用Lattice towers and masts - code of practice for strength assessment of members of lattice towers and masts
格子形桿架和桅桿.格子形桿架和桅桿構件的強度評定的實施規程Considering special form of the boiler frame, the reconstruction and enforcement method, in addition dynamic analysis are given by particular steps : establishment of the model of boiler steel frame, determination of earthquake loads and distribution form, and anti - side force system for the frame to model and analyze, involving loads on the frame and above it, earthquake loads, damping, sway control installation, hanging bar and plate beam
考慮鍋爐構架鋼結構的特殊形式，研究並提出了電站鍋爐鋼結構改造加固研究方法，及動力分析的具體步驟：建立了鍋爐鋼結構動力分析模型、地震荷載分析方法、建立了鍋爐鋼結構布置型式、及整個鍋爐鋼構架抗側力體系模擬分析方法。具體包括：鋼構架本體及構架上荷載、地震載荷與阻尼系數確定、制晃裝置確定、吊桿與大板梁簡化。Crane boom hoist disengaging device
起重機吊桿構架提升的分離裝置The optimization of the plane four - bar linkage mechanism according to three correspondence locations of two bar linked fixed - location
已知連架桿三對對應位置優化設計四桿機構Their joint rotation space ( jrs ) of both side bars and workspace of coupler points are basic issues in designing planar parallel manipulators. the study of the synthesis method for this kind of linkages is of practical significance
平面五桿機構是平面並聯機械手的最基本形式，對其兩連架桿轉角空間及連桿點工作空間的研究是設計平面並聯機械手的基本問題之一。At last, a software about the jrs and workspace is developed in virtue of vc + + with which we can easily obtain the jrs of both side links and workspace of coupler points in any configuration mode of mechanism only if we input the dimensions of a five - bar mechanism
最後，用vc + +開發出一個軟體平臺，只要輸入任意一個五桿機構的尺寸參數，就可以知道該機構在各種裝配模式下的兩連架桿的轉角空間及連桿點的工作空間。The existence of a c - c ( crank - crank ) type of geared five - bar linkages linked with the ground link, the classification and the range of gear ratio and phase angle in the fully rotatability of geared five - bar linkages were mainly studied in this dissertation
本論文主要研究了齒輪?五桿機構中與機架相連的兩連架桿的雙曲柄的存在條件、齒輪?五桿機構的分類以及在每一分類中齒輪?五桿機構能夠整周轉動時其相位角和傳動比的范圍。( 3 ) planar full - crank five - bar mechanisms without uncertainty singularity are chosen to construct a hybrid mechanism generating the given path. a mathematical model is set up to optimize the dimensions of five - bar mechanism with the minimal power consume of the controlling motor by the improved genetic algorithms. an example is given to show the effectiveness of the mathematical model
（ 3 ）第四章中，選取全曲柄五桿機構中的三種類型機構作為混合驅動機構，以減少用於控制其一連架桿運動的步進電機所消耗的功率為目的，建立相應的數學模型，用改進的遺傳演算法對該五桿機構進行優化綜合，求得尺寸參數。The main content of this thesis includes the following parts : ( 1 ) in chapter 2, the conditions of link lengths are derived for the side bars to rotate as cranks. two types of cranks are defined and then five - bar linkages are divided into four types, i. e. the full double - crank linkage, the double quasi - crank linkage and the double rocker linkage, and the crank - rocker linkage. the rotational ranges of the two side links for each type of the mechanism are analyzed, and the corresponding numerical algorithm is developed
本文主要做了以下幾方面的工作： （ 1 ）在第二章中，先導出五桿機構兩連架桿可整周轉動的桿長條件，並根據曲柄的存在情況，對五桿機構進行分類，即把五桿機構分成全曲柄機構、雙準曲柄機構、雙搖桿機構和準曲柄-搖桿機構四種類型。In view of the rapid development of electric undertaking and a sharp increase of steel products consumption, the state development planning commission, the former state water resources and hydropower ministry and state energy ministry have been urging that the building of steel towers should be strictly controlled in the construction of transformer substations ; and warning that the need of the present 500kv power transmission and transformer trusses can hardly be satisfied by ordinary steel and concrete electric poles or prestressed concrete poles, which have endangered the operation and longevity of the high voltage transmitting line due to the common problem of cracks by gravity
隨著電力工業建設的迅速發展，鋼材的用量急劇增長，為此，國家計委，原水電部和能源部一再強調在輸變電工程建設中，應從嚴掌握自立式鐵塔的建設。然而，一般的鋼筋混凝土電桿或與預應力混凝土電桿，較普遍地存在著縱向裂縫問題，嚴重影響了高壓輸電線路的安全運行及其使用壽命，已不能適應高壓輸電桿塔和變電構架的要求。Optimization design for spatial truss structure of concrete filled steel tube is studied in this dissertation. on the basis of theory of structural optimum design and behavior of poles in structure of concrete filled steel tube, the optimization mode is built, and programming of static calculation for truss structure and optimization algorithm with discrete variables is developed by using language of fortran
本文針對鋼管混凝土空間桁架結構的優化設計問題進行了初步研究，根據鋼管混凝土結構中桿件的受力特點，結合優化設計理論，建立了鋼管混凝土空間桁架結構的數學模型，運用fortran語言編制了桿系結構靜力計算程序和基於離散變量的優化演算法程序。Based on the modal analysis data of the displacement of the spatial grid structure getting by the structural finite element analysis software ansys, the modal analysis technology of the axial member straining rate is used to identify the damage of the spatial grid steel structure in different damaged conditions and is found to be able to accurately position the damaged places of the spatial grid member
文中通過結構有限元分析軟體ansys得到網架結構位移模態分析數據，採用桿件軸向應變變化率的模態分析技術針對不同損傷狀況的鋼結構網架進行損傷識別，能夠較為準確地診斷出網架桿件的損傷位置。Because slts owns too many parts and complex supporting conditions, and invalidation of few parts or nodes does not have significant effect for structural bearing capacity, research orientation is transferred to structural support system in chapter 4 of the thesis. limited loading capacity and safety index of steel bracket of slts are calculated and analyzed for providing theoretic upper limit to safe operation of support system
由於網架結構的桿件眾多，結構支撐條件復雜，少數桿件或節點的破壞對于結構的正常承載無顯著影響，本文在第四章將研究方向轉向網架結構的支撐體系，計算分析網架結構支撐鋼牛腿的極限承載能力和安全儲備，為支撐系統的正常工作提供一個理論上限。A design approach to the 3d cad of welded machine is presented in this thesis, in which the rules of bar orientation, joint processing and welding sequence are stressed
本文提出了一個面向焊接機架的三維cad方法，著重研究混合型鋼結構的桿件布置、節點處理和焊接順序自動生成方法。分享友人