【正文】
缸,以滿足大規(guī)模工程應(yīng)用的需要。它的耐腐蝕和耐磨損性能好 ,壽命長(zhǎng)。近年來,液壓?jiǎn)㈤]機(jī)在水利水電工程中的較多使用,為全國(guó)水利建設(shè)提高新技術(shù)、促進(jìn)經(jīng)濟(jì)發(fā)展起到了非常重要的作用。 can achieve steeples speed regulation。本文在先前啟閉機(jī)液壓缸的研發(fā)和應(yīng)用基礎(chǔ)上,從設(shè)計(jì)參數(shù)出發(fā),根據(jù)液壓?jiǎn)㈤]機(jī)的使用工況,結(jié)合所學(xué)的液壓傳動(dòng)與機(jī)械設(shè)計(jì)相關(guān)知識(shí),從由缸體、端蓋、活塞、活塞桿等零件入手,重點(diǎn)分析密封與緩沖裝置,設(shè)計(jì)出結(jié)合合理,安全適用的大型啟閉機(jī)的液壓缸,以滿足大規(guī)模工程應(yīng)用的 需要。但在實(shí)際應(yīng)用中 ,液壓?jiǎn)㈤]機(jī)仍然存在許多困擾著其發(fā)展、亟待解決的問題。本人授權(quán)省級(jí)優(yōu)秀學(xué)士學(xué)位論文評(píng)選機(jī)構(gòu)將本學(xué)位論文的全部或部分內(nèi)容編入有關(guān)數(shù)據(jù)庫(kù)進(jìn)行檢索,可以采用影印、縮印或掃描等復(fù)制手段保存和匯編本學(xué)位論文。 畢業(yè)設(shè)計(jì) (論文) 題目 大型啟閉機(jī)液壓缸的設(shè)計(jì) 完成日期 2022 年 06 月 01 日 第 2 頁(yè) 共 35 頁(yè) 2 學(xué)位論文原創(chuàng)性聲明 本人鄭重聲明 :所呈交的學(xué)位論文 ,是本人在導(dǎo)師的指導(dǎo)下進(jìn)行研究工作所取得的成果。 作者簽名 : 年 月 日 學(xué)位論文版權(quán) 使用授權(quán)書 本學(xué)位論文作者完全了解學(xué)校有關(guān)保障、使用學(xué)位論文的規(guī)定,同意學(xué)校保留并向有關(guān)學(xué)位論文管理部門或機(jī)構(gòu)送交論文的復(fù)印件和電子版,允許論文被查閱和借閱。 (請(qǐng)?jiān)谝陨舷鄳?yīng)方框內(nèi)打 “√”) 作者簽名: 年 月 日 導(dǎo)師簽名: 年 月 日 第 3 頁(yè) 共 35 頁(yè) 3 U摘要 U .............................................................. 5 U關(guān)鍵詞 U ............................................................ 5 UABSTRACTU ....................................................... 5 UKEYWORDSU ...................................................... 6 U前言 U .............................................................. 7 U1 液壓?jiǎn)㈤]機(jī)簡(jiǎn)介 U ................................................ 8 液壓?jiǎn)㈤]機(jī)工作特點(diǎn) U ........................................... 8 液壓?jiǎn)㈤]機(jī)工作原理 U ........................................... 9 液壓?jiǎn)㈤]機(jī)工作系統(tǒng)的布置 形式 U.................................. 9 U2 啟閉機(jī)液壓缸類型的選擇 U ...................................... 11 液壓缸的分類 U ................................................ 11 根據(jù)工況和設(shè)計(jì)要求選擇啟閉機(jī)液壓缸類型 U ...................... 12 U3 液壓缸結(jié)構(gòu)設(shè)計(jì) U ............................................... 15 缸筒與端蓋連接形式設(shè)計(jì) U ..................................... 15 活塞和活塞桿 U ................................................ 16 密封裝置 U .................................................... 17 緩沖裝置 U ................................................... 21 排氣裝置 U..................................................... 24 啟閉機(jī)液壓缸總體結(jié)構(gòu)設(shè)計(jì) U .................................... 25 U4 啟閉機(jī)液壓缸的材料及技術(shù)條件 U .............................................................. 26 缸筒材料及技術(shù)要求 U .......................................... 26 活塞材料及技術(shù)要求 U .......................................... 27 缸蓋材料及技術(shù)要求 U .......................................... 27 活塞桿材料及技術(shù)要求 U ........................................ 27 U5 液壓缸 詳細(xì)設(shè)計(jì) U ............................................... 28 活塞桿直徑 DU .................................................. 28 缸筒內(nèi)徑 DU ................................................... 29 液壓缸缸筒壁厚 U .............................................. 29 缸底厚度 U .................................................... 30 導(dǎo)向套長(zhǎng)度 U .................................................. 30 第 4 頁(yè) 共 35 頁(yè) 4 U6 液壓缸校核 U .................................................... 31 .強(qiáng)度校核 U ................................................... 31 穩(wěn)定性校核 U .................................................. 32 7 U小結(jié)與展望 U .................................................... 34 U致謝 U ............................................................. 35 U參考文獻(xiàn) U ........................................................ 36 第 5 頁(yè) 共 35 頁(yè) 5 摘要: 液壓?jiǎn)㈤]機(jī)主要用于水利工程閘門 ,液壓?jiǎn)㈤]機(jī)有著顯著的優(yōu)點(diǎn):技術(shù)先進(jìn),結(jié)構(gòu)緊湊,工藝性、經(jīng)濟(jì)性好;運(yùn)行平穩(wěn)、安全、可靠,效率高;可實(shí)現(xiàn)無級(jí)調(diào)速;易于集中控制,自動(dòng)化操作簡(jiǎn)便,維修方便;液壓?jiǎn)㈤]機(jī)有利于優(yōu)化水工建筑物的總體布置,它在水利樞紐、航運(yùn)船閘、電站、防洪防澇工程上使用量與日劇增。液壓缸是液壓?jiǎn)㈤]機(jī)的核心部件,故液壓缸的設(shè)計(jì)好壞直接關(guān)系到液壓?jiǎn)㈤]機(jī)制造質(zhì)量的優(yōu)劣。 high hydraulic transmission efficiency。 conducive to optimizing hydraulic structures? overall layout. .Its usage quantity increasingly ballooned used in watercontrol project, ship lock, power stations and flood control works. But the actual application shows: Hydraulic hoist still have many problems that plagued its development and should be solved urgently. Especially for water conservancy and hydropower engineering, it made an urgent request for the design and application of largescale hoist cylinders. The paper has consulted a large number of domestic and foreign relevant materials and has analyzed the hydraulic hoister development trend and current engineering requirements for hydraulic hoist. In hydraulic hoist ponents, the hydraulic cylinder is the core ponent, so the design of the hydraulic cylinder is 第 6 頁(yè) 共 35 頁(yè) 6 directly related to manufacturing quality merits of hydraulic hoist. Large hoist cylinders design has great significance to promote the development of water conservancy and hydropower project. Based on the design and application development of previous hoist cylinders ,starting from parameters, based on the use of hydraulic hoist working conditions, bined with hydraulic drive and learned knowledge of mechanical design, from the start the cylinder cover, piston, piston and other parts mainly analyzed sealing and cushioning devices, to design hydraulic cylinders that has reasonable structure , suitable for largescale security hoist ,to mee