螺紋式連接液壓缸結(jié)構(gòu)機(jī)械設(shè)計(jì)【含CAD圖紙】

螺紋式連接液壓缸結(jié)構(gòu)機(jī)械設(shè)計(jì)【含CAD圖紙】,含CAD圖紙,螺紋,羅紋,連接,液壓缸,結(jié)構(gòu),機(jī)械設(shè)計(jì),cad,圖紙 摘 要液壓缸是液壓系統(tǒng)中最廣泛應(yīng)用的一種液壓執(zhí)行元件。液壓缸是將液壓泵輸出的壓力能轉(zhuǎn)換為機(jī)械能的執(zhí)行元件,它主要是用來輸出直線運(yùn)動(dòng)。液壓傳動(dòng)和液力傳動(dòng)均是以液體作為工作介質(zhì)來進(jìn)行能量傳遞的傳動(dòng)方式。液壓傳動(dòng)主要是利用液體的壓力能來傳遞能量；而液力傳動(dòng)則主要是利用液體的動(dòng)能來傳遞能量。由于液壓傳動(dòng)有許多突出的優(yōu)點(diǎn)，因此，它被廣泛地應(yīng)用于機(jī)械制造、工程建筑、石油化工、交通運(yùn)輸、軍事器械、礦山冶金、輕工、農(nóng)機(jī)、漁業(yè)、林業(yè)等各方面。同時(shí)，也被應(yīng)用到航天航空、海洋開發(fā)、核能工程和地震預(yù)測等各個(gè)工程技術(shù)領(lǐng)域。本文對(duì)液壓缸參數(shù)化設(shè)計(jì)方法進(jìn)行深入系統(tǒng)的研究,建立液壓缸CAD原型軟件系統(tǒng),主要研究成果如下: 1.系統(tǒng)分析液壓缸工作原理的基礎(chǔ)上,歸納了液壓缸的工作形式及主要安裝形式。在分析液壓缸主要部件結(jié)構(gòu)特點(diǎn)的基礎(chǔ)上,建立了基于裝配的面向?qū)ο笠簤焊桩a(chǎn)品設(shè)計(jì)模型; 2.研究面向制造的產(chǎn)品特征建模技術(shù),基于產(chǎn)品建模方法和面向?qū)ο蠹夹g(shù),建立了基于特征的液壓缸產(chǎn)品模型。研究了適用于液壓缸參數(shù)化設(shè)計(jì)的標(biāo)準(zhǔn)件庫建模方法及數(shù)據(jù)庫建模技術(shù),并據(jù)此建立了液壓缸參數(shù)化數(shù)據(jù)庫模型及基于裝配的液壓缸參數(shù)化模型; 3.建立液壓缸參數(shù)化CAD系統(tǒng)模型,基于商用CAD軟件,開發(fā)了液壓缸參數(shù)化CAD軟件原型系統(tǒng)。關(guān)鍵詞：液壓缸；液壓泵；液壓傳動(dòng)；液力傳動(dòng)AbstractHydraulic cylinders are one of the hydraulic action components, which are widely used to transfer hydraulic power produced by pump to mechanical power with the manner of straight movement.Hydraulic transmission hydraulic transmission and are based on the liquid as energy transfer medium to the drive. Mainly the use of hydraulic fluid to transmit pressure to energy; and hydraulic transmission is mainly used to transfer the kinetic energy of liquid energy. As a result of hydraulic many prominent advantages, therefore, it is widely used in machine building, construction, petrochemical, transportation, military equipment, mine metallurgy, light industry, agricultural, fisheries, forestry and so on. At the same time, also be applied to aerospace, marine development, nuclear engineering and earthquake prediction in various fields of engineering and technology.In this paper, the parameters of the hydraulic cylinder design of the system to conduct in-depth research, the establishment of hydraulic cylinder CAD prototype software system, the main research results are as follows: 1. The working principle of hydraulic cylinder systems analysis on the basis of summed up the work of the form of hydraulic cylinder and the major form of installation. Analysis of hydraulic cylinders in the structural characteristics of the main components on the basis of the assembly based on object-oriented model of product design of hydraulic cylinder; 2. Research-oriented products feature modeling, product modeling based on object-oriented methods and technology, based on the characteristics of the hydraulic cylinder product model. Studied for parametric design of hydraulic cylinder of standard parts library and database modeling modeling techniques, and accordingly established a database of hydraulic cylinder model parameters and the hydraulic cylinder assembly based on the model parameters; 3. To establish fluid pressure cylinder of CAD system model parameters, based on the commercial CAD software, has developed a hydraulic cylinder Parametric CAD software prototype system.Key words：Hydraulic cylinder; hydraulic pump; hydraulic transmission; hydraulic transmission引 言液壓傳動(dòng)元件以其功率大，安裝布置簡便，易于受控，操作方便舒適，故障率低，便于維護(hù)等優(yōu)點(diǎn)，非常適于結(jié)構(gòu)形態(tài)多變，工作條件惡劣的農(nóng)業(yè)機(jī)械的應(yīng)用。液壓傳動(dòng)的基本原理：液壓系統(tǒng)利用液壓泵將原動(dòng)機(jī)的機(jī)械能轉(zhuǎn)換為液體的壓力能，通過液體壓力能的變化來傳遞能量，經(jīng)過各種控制閥和管路的傳遞，借助于液壓執(zhí)行元件(缸或馬達(dá))把液體壓力能轉(zhuǎn)換為機(jī)械能，從而驅(qū)動(dòng)工作機(jī)構(gòu)，實(shí)現(xiàn)直線往復(fù)運(yùn)動(dòng)和回轉(zhuǎn)運(yùn)動(dòng)。其中的液體稱為工作介質(zhì)，一般為礦物油，它的作用和機(jī)械傳動(dòng)中的皮帶、鏈條和齒輪等傳動(dòng)元件相類似。在液壓傳動(dòng)中，液壓油缸就是一個(gè)最簡單而又比較完整的液壓傳動(dòng)系統(tǒng)，分析它的工作過程，可以清楚的了解液壓傳動(dòng)的基本原理。幾十年來，液壓技術(shù)不僅在農(nóng)機(jī)，機(jī)床，工程機(jī)械，建筑機(jī)械，航天航空設(shè)備等得到越來越多的應(yīng)用，而且形成了龐大的市場。全世界液壓元件市場銷售額已超過二百億美元，我國液壓行業(yè)產(chǎn)值已近80億人民幣而液壓油缸是液壓傳動(dòng)中將液體的壓力能轉(zhuǎn)換成機(jī)械能，實(shí)現(xiàn)往復(fù)直線運(yùn)動(dòng)或往復(fù)擺動(dòng)的執(zhí)行元件，被廣泛應(yīng)用于各種液壓機(jī)械設(shè)備中。液壓油缸的設(shè)計(jì)合理性、制造質(zhì)量，直接影響整個(gè)液壓機(jī)械設(shè)備的的使用狀態(tài)，乃至整個(gè)生產(chǎn)系統(tǒng)的正常運(yùn)行和生產(chǎn)的安全性。所以，液壓油缸的合理化設(shè)計(jì)具有重要的現(xiàn)實(shí)意義。目 錄摘 要IAbstractII引 言III目 錄IV第1章 液壓傳動(dòng)的概述11.1簡介11.2應(yīng)用領(lǐng)域11.3傳動(dòng)原理11.4主要組成11.4.1動(dòng)力元件（油泵）11.4.2執(zhí)行元件（油缸、液壓馬達(dá)）21.4.3控制元件21.4.4輔助元件21.4.5工作介質(zhì)21.5表達(dá)符號(hào)21.6現(xiàn)狀及其展望3第2章 液壓缸的計(jì)算依據(jù)42.1液壓缸的分類42.2 主要參數(shù)及常用計(jì)算公式62.2.1壓力62.2.2主要尺寸及面積比62.2.3液壓缸活塞的理論推理和拉力82.2.4效率92.2.5液壓缸負(fù)載率102.2.6活塞瞬間線速度102.2.7活塞作用力F112.2.8活塞加速度a122.2.9活塞加（減）速時(shí)間ta（td）122.2.10活塞加（減）速行程Sa（Sd）122.2.11液壓缸流量132.2.12液壓缸功率P13第3章液壓缸的典型結(jié)構(gòu)143.1端蓋與缸筒連接方式143.1.1拉桿型液壓缸143.1.2螺紋蓋型液壓缸143.1.3法蘭型液壓缸143.1.4安裝方式143.2專用液壓缸典型結(jié)構(gòu)163.2.1特殊結(jié)構(gòu)液壓缸163.2.2電液伺服液壓缸173.2.3特殊工質(zhì)液壓缸183.2.4組合液壓缸183.2.5多級(jí)液壓缸18第4章 液壓缸主要零部件設(shè)計(jì)204.1缸筒的設(shè)計(jì)計(jì)算204.1.1主要技術(shù)要求204.1.2缸筒結(jié)構(gòu)204.1.4缸筒厚度計(jì)算234.1.5缸筒厚度驗(yàn)算244.1.6缸筒底部厚度計(jì)算244.1.8缸筒材料254.1.9缸筒內(nèi)壁表面加工公差和粗糙度ISO4394264.2活塞件的設(shè)計(jì)計(jì)算264.2.1活塞結(jié)構(gòu)型式264.2.2密封件溝槽尺寸，公差及粗糙度264.2.3材料264.2.4活塞尺寸及公差274.3活塞桿的設(shè)計(jì)計(jì)算274.3.1結(jié)構(gòu)274.3.2活塞桿直徑計(jì)算284.4導(dǎo)向環(huán)的設(shè)計(jì)計(jì)算314.4.1導(dǎo)向環(huán)主要優(yōu)點(diǎn)314.4.2導(dǎo)向環(huán)的型式314.4.3導(dǎo)向環(huán)的尺寸不同324.5活塞桿導(dǎo)向套324.6中隔圈的設(shè)計(jì)計(jì)算（限位圈）334.7緩沖機(jī)構(gòu)設(shè)計(jì)計(jì)算344.7.1一般技術(shù)要求344.7.2結(jié)構(gòu)型式344.7.3緩沖計(jì)算364.7.4調(diào)整緩沖機(jī)構(gòu)尺寸384.8輔件40第5章設(shè)計(jì)主要尺寸圖紙44結(jié) 論45參考文獻(xiàn)46致 謝47主要尺寸圖紙5.1液壓缸裝配圖一張-0號(hào)圖紙5.2活塞桿零件圖一張-1號(hào)圖紙5.3液壓缸缸筒零件圖一張-1號(hào)圖紙5.4液壓缸緩沖裝置組件圖一張-2號(hào)圖紙5.5液壓缸支承盤零件圖一張-2號(hào)圖紙5.6液壓缸活塞組件圖一張-2號(hào)圖紙5.7液壓缸導(dǎo)向套零件圖一張-2號(hào)圖紙7